National Park Service

U.S. Department of the Interior

Natural Resource Stewardship and Science

Economic Benefits to Local Communities from 

National Park Visitation, 2011

Natural Resource Report NPS/NRSS/ARD/NRR–2013/632
ON THE COVER

Floaters at Kittatinny Point in Delaware Water Gap National Recreation Area, New Jersey

Photograph by NPS/Margaret Littlejohn
Economic Benefits to Local Communities 

from National Park Visitation, 2011

Natural Resource Report NPS/NRSS/ARD/NRR–2013/632

Yue Cui

Ed Mahoney

Teresa Herbowicz

Department of Community, Agriculture, Recreation and Resource Studies

Michigan State University

East Lansing, Michigan 48824-6446

February 2013

U.S. Department of the Interior

National Park Service

Natural Resource Stewardship and Science

Fort Collins, Colorado
ii

The National Park Service Associate Director for Natural Resource Stewardship and Science

office in Fort Collins, Colorado publishes a range of reports that address natural resource topics 

of interest and applicability to a broad audience in the National Park Service and others in natural 

resource management, including scientists, conservation and environmental constituencies, and 

the public.

The Natural Resource Report Series is used to disseminate high-priority, current natural resource 

management information with managerial application. The series targets a general, diverse 

audience, and may contain NPS policy considerations or address sensitive issues of management 

applicability.

All manuscripts in the series receive the appropriate level of peer review to ensure that the 

information is scientifically credible, technically accurate, appropriately written for the intended 

audience, and designed and published in a professional manner. 

This report received formal peer review by subject-matter experts who were not directly 

involved in the collection, analysis, or reporting of the data, and whose background and expertise 

put them on par technically and scientifically with the authors of the information.

Views, statements, findings, conclusions, recommendations, and data in this report do not 

necessarily reflect views and policies of the National Park Service, U.S. Department of the 

Interior. Mention of trade names or commercial products does not constitute endorsement or 

recommendation for use by the U.S. Government.

This report is available from the Environmental Quality Division (www.nature.nps.gov/

socialscience/index.cfm) and the Natural Resource Publications Management website 

(http://www.nature.nps.gov/publications/nrpm/). 

Please cite this publication as:

Cui, Yue, Mahoney, E. & Herbowicz, T. 2013. Economic benefits to local communities from 

national park visitation, 2011. Natural Resource Report NPS/NRSS/EQD/NRTR—2013/631. 

National Park Service, Fort Collins, Colorado.
iii

Contents 

Page

Figures and Tables......................................................................................................................... iv

Executive Summary........................................................................................................................ v

Introduction..................................................................................................................................... 1

2011 Updates .................................................................................................................................. 1

Recreation Visits............................................................................................................................. 2

Visitor Spending ............................................................................................................................. 2

Local Significance and Impacts of Visitor Spending ..................................................................... 5

National Significance of Visitor Spending ..................................................................................... 8

State and Regional Impacts of Visitor Spending ............................................................................ 9

Methods........................................................................................................................................... 9

Errors and Limitations.................................................................................................................. 12

References..................................................................................................................................... 14

Appendices.................................................................................................................................... 15
iv

Figures and Tables

Page

Figure 1. Distribution of National Park Visitor Spending in 2011 ................................................ 4

Table 1. National Park Visitor Spending in the Local Area by Segment, 2011 ($ per 

party per day/night)......................................................................................................................... 2

Table 2. National Park Visitor Spending by Segment, 2011 ......................................................... 3

Table 3. Economic Significance of National Park Visitor Spending to Local 

Economies, 2011............................................................................................................................. 5

Table 4. Economic Impacts of National Park Visitor Spending on Local Economies, 

2011................................................................................................................................................. 6

Table 5. Economic Significance of National Park Visitor Spending to National 

Economy, 2011 ............................................................................................................................... 8
v

Executive Summary 

The National Park System received 278.9 million recreation visits in 2011. Park visitors spent 

$12.95 billion in local gateway regions (within roughly 60 miles of the park). Visitors staying 

overnight outside the park (in motels, hotels, cabins, and bed and breakfasts) accounted for 

54.9% of the total spending. About half (48%) of the spending was for lodging and meals, 21.4% 

for gas and local transportation, 9.7% for recreation and entertainment, 8.1% for groceries, and 

12.7% for other retail purchases.

The contribution of this park visitor spending to the national economy amounted to 251,600 jobs, 

$9.34 billion in labor income, and $16.50 billion in value added1. The direct effects of visitor 

spending are measured at the local level in gateway regions around national parks. Local 

economic impacts were estimated after excluding spending by park visitors from the local area 

(9.8% of the total spending). Combining local impacts across all parks yielded a total local 

impact (including direct and secondary effects) of 162,400 jobs, $4.58 billion in labor income, 

and $8.15 billion value added. The four local economic sectors most directly affected by nonlocal visitor spending are lodging, restaurants, retail trade, and recreation and entertainment.

Their spending supported 45,200 jobs in restaurants and bars, 34,100 jobs in lodging sectors,

15,500 jobs in retail and wholesale trade, and 20,000 jobs in recreation and entertainment.

In this 2011 study, payroll impacts were not included due to the conversion to a new accounting 

system for the National Park Service, which prevented obtaining the required inputs for such 

analysis in time for publication.

 1 National estimates use multipliers for the U.S. economy. 
1

Introduction

This report provides updated estimates of National Park Service (NPS) visitor spending for 2011 and 

estimates the economic impacts of visitor spending. Visitor spending and impacts are estimated using 

the Money Generation Model version 2 (MGM2) (Stynes et al. 2000) based on park visits (also 

called recreation visits) during the calendar year 2011, spending averages from park visitor surveys, 

and local-area and national-level economic multipliers.

Visitor spending effects are estimated for all park units with visitation data. Direct effects cover 

businesses selling goods and services directly to park visitors. Secondary effects include: indirect 

effects resulting from sales to backward-linked industries within the local region, and induced effects 

from household spending of income earned directly or indirectly from visitor spending. Impacts of 

construction activity and park purchases of goods and services are not included.

Effects are estimated at both the national and local level. Most spending directly associated with park 

visits occurs in gateway regions around each park. Impacts of this spending on the local economies 

are estimated using local input-output models for each park. Local regions are defined as a 60-mile 

radius2 around each park. To estimate impacts on the national economy, spending within roughly 60 

miles of the park is applied to the national input-output model. System-wide totals covering impacts 

on local economies are also estimated by summing the spending and local impact estimates for all 

park units. Results for individual park units are reported in the Appendix.

2011 Updates

The 2011 estimates reflect new visitor surveys at four parks. In 2011, visitor surveys were conducted 

at Joshua Tree NP, Chiricahua NM, Fort Bowie NHS and Fort Stanwix NM.3 Spending and visitor 

profiles for these parks were updated based upon the survey data. For other parks, spending profiles 

from 2010 were price-adjusted to 2011 using Bureau of Labor Statistics consumer price indices for 

each spending category. Consumer prices remained fairly stable between 2010 and 2011 except for 

an increase of 26% in gasoline prices and a 10% increase in transportation costs.

Visitor segment mixes were assumed to be unchanged except as reflected in overnight stays or new 

visitor surveys. Except for parks with new visitor surveys, average party sizes, lengths of stay and reentry factors were assumed to be unchanged from 2010. Visit and overnight stay figures for all parks 

were updated to 2011 from the NPS public use statistics (Street 2012). 

Multipliers for individual parks were estimated in 2011 based on 2008 IMPLAN data and IMPLAN’s 

trade flow models (Stynes, 2011). Local regions were defined to include all counties within roughly 

60 road miles of each park. For 2011, local region multipliers were adjusted from 2008 to 2010 based 

on structural changes in the national economy (i.e., ratios of jobs, income and value added to sales in 

each sector). Secondary effects and direct job ratios were adjusted to 2011 based on consumer price 

indices.

 2 The 60-mile radius is a general average representing the primary impact region around most parks. The radius is 

closer to 30 miles for parks in urban settings, and as large as 100 miles for some western parks. Economic 

multipliers are based on regions defined as groupings of counties to approximate a 60-mile radius of the park. 3 These studies are conducted by the Visitor Services Project (VSP) at the University of Idaho. Reports for 

individual parks are available at their website: http://www.psu.uidaho.edu/vsp.reports.htm
2

Recreation Visits

The National Park System received 278.9 million recreation visits in 2011. Spending by visitors 

was estimated by dividing all visitors to each park into segments with distinct spending patterns 

and applying spending averages based on surveys of park visitors at selected parks. As spending 

averages are measured on a party-day basis (party nights for overnight trips), the NPS counts of 

recreation visits are converted from person entries to a park to party-days in the area by applying 

average party size, length of stay, and park re-entry factors. This eliminates some double 

counting of visits. To the extent possible, spending not directly related to a park visit is 

excluded.4

In 2011, there were 13.75 million recreation overnight stays in the parks. Twenty-nine percent of 

park visits were day trips by local residents, 40.0% were day trips from 60 miles or more,5 and 

27.7% involved an overnight stay near the park. Visitor spending depends on the number of days 

spent in the local area and the type of lodging for overnight trips. Day trips by non-local visitors

accounted for 33.5% of the party days spent in the local area, day trips by local visitors, for 

27.8%, and overnight stays, for 38.7%. Sixty-four percent of all overnight stays by park visitors 

were in hotels, motels, lodges, or bed and breakfasts outside the park; another 17.5% were in 

campgrounds outside the park, 7.5% in private homes; and 11.1% were inside the park in NPS 

campgrounds, lodges, or back-country sites resided in National Parks. 

Visitor Spending

Visitor spending averages cover expenses within the local region, excluding park entry fees. 

Spending averages for each segment are derived from park visitor surveys at selected parks over 

the past ten years. Bureau of Labor Statistics price indices for each spending category are applied 

to adjust all spending to 2011 dollars. 

NPS system-wide spending averages for 2011 are given in Table 1 for seven distinct visitor 

segments. A typical park visitor party of local residents on a day trip spends $49.86 and $75.02 if 

a non-local party (Table 1). 

On a party-night basis, spending by visitors on overnight trips varied from $59.91 for backcountry campers to $330.70 for visitors staying in park lodges. Campers spent $119.86 per night, 

if staying outside the park, and $86.72, if staying inside the park. Spending averages at 

individual parks varied from these system-wide averages due to differences in local prices and 

spending opportunities. 

Table 1. National Park Visitor Spending in the Local Area by Segment, 2011 ($ per party per day/night)

Visitor Segment

 4 For example, spending during extended stays in an area while visiting relatives, on business, or when the park visit 

was not the primary trip purpose is excluded. For most historic sites and parks in urban areas, spending for one day 

or night is counted for each park entry. Where several park units are within a 60-mile radius, adjustments are made 

for those visiting more than one park on the same day. 

5 Day trips include pass-thru visitors not spending a night within 60 miles of the park, as well as stays with friends 

and relatives and in owned seasonal homes.
3

Spending category

Local 

Day 

Trip

Non-local 

Day Trip

NPS 

Lodge

NPS 

Camp 

Ground

NPS 

Backcountry 

MotelOutside 

Park

CampOutside 

Park

Motel, hotel, B&B - - 151.89 0.31 5.25 92.67 0.12

Camping fees - - 0.39 15.30 2.44 0.11 25.16

Restaurants & bars 14.75 19.50 73.79 11.85 8.42 58.35 16.23

Recreation & entertainment 4.83 8.73 22.11 7.29 5.85 17.67 15.10

Groceries 7.27 7.14 12.56 14.63 6.43 14.39 12.36

Gas & oil 12.92 23.96 31.67 24.93 19.17 25.72 29.18

Local transportation 0.11 1.34 6.44 1.34 0.28 3.14 0.89

Retail purchases 9.97 14.34 31.85 11.07 12.07 27.08 20.82

Total 49.86 75.02 330.70 86.72 59.91 239.13 119.86

Note – Columns may not sum to totals due to rounding.

In total, park visitors spent $12.95 billion in the local region surrounding the parks in 2011.6

Local residents accounted for 9.8% of this spending (Table 2). Visitors staying in motels and 

lodges outside the park accounted for 54.9% of the total spending, while non-local visitors on 

day trips contributed 20.5% of all spending. 

Table 2. National Park Visitor Spending by Segment, 2011

Segment Total Spending 

($ Millions)

Percent of 

Spending

Local day trip 1,264 9.8%

Non-local day trip 2,659 20.5%

Lodge/cabin-in park 376 2.9%

Camp-in park 301 2.3%

NPS back-country campers 37 0.3%

Motel-outside park 7,105 54.9%

Camp-outside park 871 6.7%

Other overnight visitors a 339 2.6%

Total 12,952 100.0%

a Other overnight visitors include visitors staying overnight in the area but 

not incurring lodging costs.

Notes – Columns may not sum to totals due to rounding.

Expenses at lodging and restaurants/bars accounted for about a quarter of the spending, each. 

Expenses on transportation (mainly auto fuel) accounted for 21.4%, groceries 8.1%, other retail 

purchases 12.8%, and recreation and entertainment 9.7% (Figure 1). 

 6 Spending figures exclude airfares and other trip spending beyond 60 miles of the park. Purchases of durable goods 

(boats, RVs) and major equipment are also excluded. Special expenses for commercial rafting trips, air overflights 

and other special activities are not fully captured for all parks. 
4

Figure1. Distribution of National Park Visitor Spending in 2011
5

Local Significance and Impacts of Visitor Spending

Local economic significance and economic impacts of visitor spending are estimated in the 

MGM2 model using multipliers for local areas around each park. Multipliers capture both the 

direct and secondary economic effects in gateway regions around the parks in terms of jobs, 

labor income, and value added. National totals are calculated as the sum of the local impacts for 

374 park units that have counts of visitors. 

Both economic significance and economic impacts were estimated for local areas. The average 

sales multiplier across all parks’ local regions is 1.43. For every dollar of direct sales another 

$0.43 in sales is generated in the local region through secondary effects. 

Economic Significance

The economic significance estimates in Table 3 measure the effects of all visitor spending 

($12.95 billion), including that of local visitors. 

The $12.95 billion spent by park visitors within 60 miles of the park in 2011 (Table 2) had a total 

economic effect (significance) of $14.99 billion in sales, $5.04 billion in labor income, and $8.94 

billion in value added. Visitor spending supported about 177,500 jobs in gateway regions. Total 

effects may be divided between the direct effects that occur in local businesses selling goods and 

services directly to park visitors and secondary effects that result from the circulation of this 

money within the local economy.7

Table 3. Economic Significance of National Park Visitor Spending to Local Economies, 2011

Sector/Spending category Sales 

($ Millions) Jobs Labor Income ($ Millions)

Value Added 

($ Millions)

Direct Effects

Motel, hotel cabin or B&B 2,979 29,552 836 1,694

Camping fees 244 4,541 77 150

Restaurants & bars 2,991 51,435 1,089 1,653

Recreation & entertainment 1,255 22,331 418 784

Other vehicle expenses 173 2,009 88 102

Local transportation 315 6,522 158 242

Grocery stores 279 4,770 140 204

Gas stations 114 1,401 48 80

Other retail 583 10,500 273 423

Wholesale trade 266 1,570 114 206

Local manufacturing 537 685 48 118

Total Direct Effects 9,736 135,316 3,289 5,656

Secondary Effects 5,256 42,194 1,753 3,279

Total Effects 14,992 177,510 5,042 8,935

Notes: Economic significance covers all $12.95 billion in spending by park visitors in the local region, 

including that of local visitors. Columns may not sum to totals due to rounding.

 7 Secondary effects include indirect effects of businesses buying goods and services from backward-linked local 

firms and induced effects of household spending of their earnings.
6

Direct effects were $9.74 billion in sales, $3.29 billion in labor income, $5.66 billion in value 

added, and 135,300 jobs. The local regions captured 75.2% of all visitor spending as direct sales. 

Note that direct sales of $9.74 billion is less than the $12.95 billion in visitor spending as most of 

the manufacturing share of retail purchases (groceries, gas, sporting goods, souvenirs) is not 

included. It is assumed that most of the producer price of retail purchases immediately leaks out 

of the region to cover the cost of goods sold. Sales figures for retail and wholesale trade are the 

margins on retail purchases. 

Economic Impacts

The economic impacts (which exclude spending by local visitors) in Table 4 measure the effects

of the $11.69 billion spent by visitors who did not reside within the gateway regions.

Economic impact measures estimate the likely losses in economic activity to the region in the 

absence of the park. Should the park opportunities not be available, it is assumed that local 

residents would spend the money on other local activities, while visitors from outside the region 

would not have made a trip to the region.8 Spending by local residents on visits to the park does

not represent “new money” to the region and is therefore generally excluded when estimating 

impacts. Local resident spending is included in the economic significance measures, as these 

capture all economic activity associated with park visits, including local and non-local visitors.

Table 4. Economic Impacts of National Park Visitor Spending on Local Economies, 2011

Sector/Spending category Sales

 ($ Millions) Jobs Labor Income ($ Millions)

Value Added 

($ Millions)

Direct Effects

Motel, hotel cabin or B&B 2,979 29,552 836 1,694

Camping fees 244 4,541 77 150

Restaurants & bars 2,616 45,161 951 1,444

Recreation & entertainment 1,122 20,033 375 701

Other vehicle expenses 158 1,843 81 93

Local transportation 312 6,451 156 240

Grocery stores 229 3,950 115 167

Gas stations 98 1,214 41 69

Other retail 502 9,072 234 363

Wholesale trade 220 1,314 93 170

Local manufacturing 417 539 37 91

Total Direct Effects 8,897 123,670 2,996 5,182

Secondary Effects 4,762 38,753 1,582 2,965

Total Effects 13,659 162,423 4,578 8,147

Note: Economic impacts cover the $11.69 billion spent by non-local visitors. Columns may not sum to 

totals due to rounding.

 8 To the extent possible, spending not directly associated with a park visit is also excluded. For example, only one 

night’s expenses are counted for visitors in the area primarily on business, visiting relatives, or visiting other 

attractions. For parks with visitor surveys, spending attributed to a park visit was estimated based on the percentage 

of visitors identifying the park visit as the primary purpose of the trip. 
7

Excluding $1.26 billion dollars spent by local visitors (Table 2) reduced the total spending to 

$11.69 billion for the impact analysis. Local visitors represented about 29.1% of all visits but 

less than 10% of all visitors’ spending (Table 2). The total effects of visitor spending, excluding 

locals, was $13.66 billion in sales, $4.58 billion in labor income, $8.15 billion in value added, 

and 162,400 jobs. The economic sectors most directly affected by non-local visitors to the parks 

are lodging, restaurants, retail trade, and recreation and entertainment. Non-local visitor spending 

supported 45,200 jobs in restaurants and bars, 34,100 jobs in lodging sectors, 15,500 jobs in 

retail and wholesale trade, and 20,000 jobs in recreation and entertainment. 
8

National Significance of Visitor Spending

The contribution of NPS visitor spending to the national economy can be estimated by applying the 

spending totals to multipliers for the national economy. This circulates spending that occurs within 

gateway regions around national parks within the broader national economy, capturing impacts on 

sectors that manufacture goods purchased by park visitors and additional secondary effects. 

The estimates do not include park visitors’ spending at home on durable goods such as camping, 

hunting and fishing equipment, recreation vehicles, boats, and other goods used on trips to the 

national parks. The estimates also exclude airfares and other en-route spending that occurs more 

than 60 miles from the park. Since many long-distance trips involve multiple purposes and often 

visits to multiple parks, it is difficult to capture these expenses without double counting or 

attributing spending not directly related to a national park visit. 

With the above exclusions, the contribution of visitor spending to the national economy in 2011

was $30.09 billion in sales, 251,600 jobs, $9.34 billion in labor income, and $16.50 billion in 

value added (Table 5). 

Table 5. Economic Significance of National Park Visitor Spending to National Economy, 2011

Sector/Spending category Sales 

($ Millions) Jobs Labor Income ($ Millions)

Value Added 

($ Millions)

Direct Effects

Motel, hotel, cabin or B&B 2,979 27,690 876 1,730

Camping fees 244 4,306 81 153

Restaurants & bars 2,991 52,937 1,059 1,628

Recreation & entertainment 1,255 22,153 418 785

Other vehicle expenses 173 1,996 90 103

Local transportation 315 6,492 175 250

Grocery stores 279 4,817 142 204

Gas stations 114 1,518 47 80

Other retail 583 10,510 276 425

Wholesale trade 468 2,637 205 365

Local manufacturing 2,858 4,121 291 711

Total Direct Effects 12,259 139,177 3,660 6,434

Secondary Effects 17,826 112,466 5,682 10,067

Total Effects 30,085 251,643 9,342 16,501

Note: Columns may not sum to totals due to rounding.

With the exception of manufacturing activity and a portion of activity in wholesale trade, the 

direct effects of visitor spending accrue to local regions around national parks.9 Compared to the 

contribution to local economies (Table 3), an additional 74,100 jobs are supported nationally by 

NPS visitor spending, primarily due to the greater indirect and induced effects at the national 

level. The sales multiplier for NPS visitor spending at the national level is 2.51, compared to an 

average of 1.43 for local regions around national parks. 

 9 Local economic ratios are therefore used to estimate the direct effects. National multipliers are used to estimate 

secondary effects. With the exception of wholesale trade and manufacturing sectors, the national direct effects 

(Table 5) are therefore the same as the local direct effects (Table 3). 
9

State and Regional Impacts of Visitor Spending

Economic impacts of individual parks can be aggregated to the state level with a few 

complications. While most parks fall within a single state, there are 20 park units with facilities 

in more than one state. For these parks, shares of visits were assigned to each state based on 

percentages provided by the NPS Public Use Statistics Office. It was assumed that spending and 

economic impacts are proportional to where recreation visits are assigned. 

Estimates of park visits, spending, and state-level economic impacts for each state and U.S. 

territory are given in Table A-2 in the Appendix. These state estimates are larger than the 

impacts for local economies since states generally include a larger economic productive capacity 

than local areas and therefore account for a larger share of the overall impacts.

Estimates of park visits, spending, and regional-level economic impacts for each NPS region are 

given in Table A-3 in the Appendix. Similar to the state-level impacts discussed above, these 

regional estimates are larger than the impacts for state economies since regions generally include 

a larger economic productive capacity than states and therefore account for a larger share of the 

overall impacts. As noted earlier, impacts reported here do not include long-distance travel, 

airfares, or purchases made at home for items that may be used on trips to national parks. 

Methods 

Spending and impacts were estimated using the MGM2 model. NPS public use statistics for 

calendar year 2011 provide estimates of the number of park visits and overnight stays at each 

park. For each park, recreation visits were allocated to the seven MGM2 segments,10 converted 

to party days/nights spent in the local area and then multiplied by per-day spending averages for 

each segment. Spending and impact estimates for 2011 are made individually for each park unit 

and then summed to obtain national totals for impacts on local regions. Impacts on the national 

economy are also estimated by applying all visitor spending to multipliers for the national 

economy.

Spending averages cover all trip expenses within roughly 60 miles of the park. They therefore 

exclude most en route expenses on longer trips, as well as airfares and purchases made at home 

in preparation for the trip, including costs of durable goods and equipment. Spending averages 

vary from park to park based on the type of park and the regional setting (low, medium, or high 

spending area). 

The segment mix is very important in estimating visitor spending, as spending varies 

considerably across the MGM2 segments. Segment shares are estimated based on park overnight 

stay data and, where available, park visitor surveys. For park units that lack recent visitor 

surveys, estimates are made by generalizing from studies at similar parks or based on manager or 

researcher judgment.

 10 Visits are classified as day trips by local visitors, day trips by non-local visitors, and overnight trips by visitors 

staying in campgrounds or hotels, lodges, cabins, and bed and breakfasts. For parks with lodging facilities within the 

park, visitors staying in park lodges, campgrounds, or back-country sites are distinguished from those staying 

outside the park in motels or non-NPS campgrounds. Visitors staying with friends or relatives, in owned seasonal 

homes, or passing through without a local overnight stay are generally treated as day trips.
10

For parks with VSP (Visitor Services Project) studies over the past ten years, spending averages 

are estimated from the visitor survey data collected at each park.11 Averages estimated in the 

surveys were price-adjusted to 2011 using Bureau of Labor Statistics (BLS) price indices for 

each spending category. Sampling errors for the spending averages in VSP studies are generally 

5–10% overall and can be as high as 20% for individual visitor segments (Stynes, 2011).

The observed spending patterns in park visitor studies are then used to estimate spending 

averages for other parks that lack visitor spending surveys. This procedure does not capture some 

spending variations attributable to unique characteristics of a given park or gateway region—for 

example, the wider use of public transportation at Alaska parks or extra expenses for special 

commercial attractions in or around some parks, such as rafting trips, air overflights, and other 

tours. When visitor studies are conducted at individual parks, these unique situations are taken 

into account. 

Multipliers for local regions around national parks were applied to the visitor spending totals to 

translate spending into jobs, income, and value added and also to estimate secondary effects. All 

MGM2 multipliers were re-estimated in 2011 using IMPLAN ver 3.0 and 2008 economic data 

(Minnesota IMPLAN Group 2009). The multipliers were adjusted to 2011 based on structural 

changes in the national IMPLAN models between 2008 and 2010 and price changes between 

2010 and 2011. 

Based on national IMPLAN models, there were some significant structural changes in economic 

ratios and multipliers between 2008 and 2010. Most notable was a change in ratios for the 

recreation and entertainment sector (IMPLAN sector 410) due to under estimated output in 2008. 

IMPLAN ratios in 2010 for sector 410 were triple the 2008 estimates. Using 2008 multiplier

would cause a significant underestimate of jobs, income and value added in the MGM2 

recreation and entertainment sector estimates if the ratio were not adjusted from 2008 to 2010. 

The MGM2 estimates of jobs, income and value added are sensitive to any changes in these 

ratios and multipliers. 

With the exception of parks with new visitor surveys in 2011, no changes were made in party 

sizes, lengths of stay, or re-entry factors between 2010 and 2011. MGM2 model parameters for 

individual parks are adjusted over time as new park visitor studies are conducted or other 

relevant information becomes available. 

The retail margin used to the estimate economic impacts on gasoline sales with national park 

visits in 2010 was 22.3% and 8.3% at wholesale (Stynes, 2011). In a more recent report by Oil 

Price Information Service (2012), the retail margin is about 5% of the retail price. Energy 

Almanac (2012) shows that the distribution of gasoline, including retail and wholesale cost and

profit, was approximately 10% of the gasoline’s retail price, the refinery sector was 75% of the 

price, and fuel tax comprised 15% of the retail price in 2011. The fuel taxes can be shifted to the 

refinery sector since this shift has relatively minor effect on job estimates because the refinery 

sector has a very small job-to-sales ratio. In addition, U.S. refineries are concentrated in a few 

geographic areas and would seldom be located in NPS economic impact areas. As a result, the 

 11 Detailed impact reports for parks that have included economic questions in their VSP studies are available at the 

MGM2 (http://mgm2impact.com/) or NPS social science websites 

(http://www.nature.nps.gov/socialscience/products.cfm#MGM2Reports).
11

gasoline margins used to estimate 2011 economic impacts of national parks were adjusted as 

follows: 90% went to the petroleum refining sector; 5%, to the wholesale trade sector; and 5%, to 

the retail sector. This 2011 adjustment reduced the estimation of local economic significance of 

spending on gasoline associated with national park visits by 5,800 jobs.

Spending and impact totals for states were developed from the 2011 estimates by summing the 

results for all units in a given state using the mailing address for the park to identify the state. 

Twenty parks have facilities in more than one state. For these parks, visitors and spending were 

allocated to individual states based on shares used by the NPS Public Use Statistics Office for 

allocating visits to states. For example, visits to Great Smoky Mountains NP were split 44% to 

North Carolina and 56% to Tennessee. It should be noted that these allocations may not fully 

account for where the spending and impacts occur. There are also many other parks with 

facilities in a single state but located within 60 miles of a state border. A portion of the spending 

and impacts for these parks may accrue to nearby states. 
12

Errors and Limitations

The accuracy of the spending and impact estimates rests largely on the input data, namely (1) 

public use recreation visit and overnight stay data; (2) party size, length of stay, and park re-entry 

conversion factors; (3) visitor segment shares; (4) spending averages; and (5) local area 

multipliers.

Public use data provides reasonably accurate estimates of visitor entries for most parks. Some 

visitors may be missed by the counting procedures, while others may be counted multiple times 

when they re-enter a park more than once on a single trip. Accurate estimates of park re-entries, 

party sizes, and lengths of stay in the area are needed to convert park entries to the number of 

visitors or party days in the region. Visitors staying overnight outside the park pose significant 

problems as they tend to be the greatest spenders and may enter the park several times during 

their stay. Similarly, visitors staying inside the park may enter and leave it several times during 

their stay and be counted each time as a distinct visit. Re-entry factors adjust for these problems 

to the extent possible.

For multi-purpose trips, it is difficult to determine what portion of the spending should be 

attributed to the park visit. This is especially a problem for historic sites and parks in urban areas 

or parks in multiple-attraction destinations. For parks with visitor surveys, the proportion of days 

and spending counted was decided based on stated trip purposes and the importance of the park 

in generating the trip to the region. 

Parkways and urban parks present special difficulties for economic impact analyses. These units 

have some of the highest number of visits while posing the most difficult problems for 

estimating visits, spending, and impacts. The majority of visits to these types of units were 

assumed to be day trips by local or non-local visitors, and only one night of spending was 

counted for overnight trips. Due to the high numbers of visits at these units, small changes in 

assumed spending averages or segment mixes can swing the spending estimates by substantial 

amounts. 

Clusters of parks within a single 60-mile area pose additional difficulties. For example, the many 

monuments and parks in the Washington, D.C. area each count visitors separately. Similar 

difficulties exist for clusters of parks in Boston, New York, and San Francisco. To avoid double 

counting of spending across many national capital parks, we must know how many times a 

visitor has been counted at park units during a trip to the Washington, D.C., area. For parks in 

the National Capital Region, we currently assume an average of 1.7 park visits are counted for 

day trips by local visitors, 3.4 visits for day trips by non-local visitors, and 5.1 park visits on 

overnight trips. The total of non-local visitor spending for the National Capital Region in 2010 

was $1.17 billion. This is 14% of the Travel Industry Association’s tourist spending estimate of 

$8.3 billion for Washington, D.C., in 2008 (USTA 2010). 

NPS units in Alaska also pose special problems for economic analysis. Spending opportunities 

near Alaska parks are limited and for many visitors the park visit is part of a cruise or guided 

tour, frequently purchased as a package. Most visitors are on extended trips to Alaska, making it 

difficult to allocate expenses to a particular park visit. Lodging, vehicle rentals, and air expenses 

frequently occur in Anchorage, many miles from the park. Also, many Alaska parks are only 
13

accessible by air or boat, so spending profiles estimated from visitor surveys at parks in the 

lower 48 states do not apply well. Due to the prominence of cruise lines and package tours, 

special studies are required to estimate the proportion of visitor spending that stays in the local 

regions around national park units in Alaska. In this report, Alaska statewide multipliers are used

to estimate impacts for parks in Alaska. 

A visit to one or more national parks is an important part of the trip for most Alaska visitors. One 

could therefore argue to count a substantial portion of tourism spending in Alaska as related to 

national park visits. The U.S. Travel Association estimated tourist spending in Alaska at $2.1 

billion in 2008 (USTA 2010). This is ten times what we have included as spending by park 

visitors in the local regions around Alaska national parks. Including spending in Alaska outside 

the local regions would significantly increase the estimates; however, deciding which spending 

to include would be somewhat subjective.
14

References

Energy Almanac. 2012. The California Energy Almanac. Available at 

http://energyalmanac.ca.gov/gasoline/margins/index.php

Minnesota IMPLAN Group Inc. 2009. IMPLAN Pro Version 3.0, user’s guide. Stillwater, 

Minnesota. 

Oil Price Information Service. 2012. Public Company Rack-to-Retail Margins. Available at 

http://www.opisretail.com/images/press%20release%20images/BrandMargins%20FirstHalf.pdf

Street, B. 2012. Statistical abstract: 2011. Natural Resource Data Series 

NPS/NRSS/EQD/NRDS-2012/422. National Park Service, Fort Collins, Colorado.

Stynes, D.J. 2011. Economic benefits to local communities from national park visitation and 

payroll, 2009. Natural Resources Report NPS/NRPC/SSD/NRR –2011/281. National Park 

Service, Fort Collins, Colorado.

Stynes, D. J., D. B. Propst, W. H. Chang, and Y. Sun. 2000. Estimating regional economic 

impacts of park visitor spending: Money Generation Model Version 2 (MGM2). Department of 

Park, Recreation and Tourism Resources, Michigan State University, East Lansing, Michigan. 

U.S. Travel Association (USTA). 2010. The power of travel, economic impact of travel and 

tourism. Available at http://www.poweroftravel.org/statistics/.
15

Appendices

Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 

2011................................................................................................................... 14

Table A-2. State-Level Impacts of NPS Visitor Spending on State Economies by State, 

2011.................................................................................................................................. 23

Table A-3. Regional-Level Impacts of NPS Visitor Spending on Regional Economies 

by Region, 

2011................................................................................................................ 25

Table A-4. Allocations to States for Multi-State 

Parks............................................................................................................................... 26
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011

16

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Abraham Lincoln Birthplace NHP 163,568 - 6,061 5,636 94 2,566 4,334 

Acadia NP 2,374,645 153,798 186,180 183,325 2,970 72,808 126,167 

Adams NHP 219,975 - 15,139 14,076 172 6,911 11,458 

African Burial Ground NM 108,585 - 7,407 6,866 77 3,715 6,165 

Agate Fossil Beds NM 11,617 - 760 754 12 225 406 

Alibates Flint Quarries NM 3,214 - 170 158 2 48 93 

Allegheny Portage Railroad NHS 118,410 - 6,268 5,828 88 1,958 3,700 

Amistad NRA 1,436,759 32,078 44,428 38,658 522 9,975 20,428 

Andersonville NHS 108,812 - 4,032 3,749 57 1,284 2,456 

Andrew Johnson NHS 52,322 - 2,770 2,575 41 1,028 1,838 

Aniakchak NM & PRES 57 156 21 21 - 7 13 

Antietam NB 384,987 - 20,018 17,996 243 8,813 15,021 

*

Apostle Islands NL 176,040 24,014 20,929 20,477 358 6,946 12,383 

Appomattox Court House NHP 258,917 - 13,707 12,744 186 4,256 8,079 

*

Arches NP 1,040,758 50,915 113,722 113,722 1,638 33,855 65,849 

Arkansas Post NMEM 37,127 - 1,376 1,279 20 350 645 

Arlington House The R.E. Lee ME 576,816 - 39,697 36,910 396 15,681 26,077 

Assateague Island NS 2,105,419 74,712 151,195 143,513 1,957 48,550 93,783 

Aztec Ruins NM 41,106 - 1,380 1,337 17 392 736 

*

Badlands NP 870,741 44,576 22,203 22,203 317 7,302 12,064 

Bandelier NM 193,914 9,300 9,218 8,908 135 3,461 5,941 

Bent's Old Fort NHS 26,842 - 995 925 12 220 468 

Bering Land Bridge NPRES 1,890 1,503 652 652 7 219 392 

Big Bend NP 361,862 148,799 16,703 15,914 225 4,508 9,167 

Big Cypress NPRES 941,393 19,957 117,467 114,919 1,891 66,660 111,384 

Big Hole NB 36,290 - 1,345 1,250 19 376 709 

Big South Fork NRRA 606,579 57,071 26,116 22,752 343 5,322 10,777 

Big Thicket NPRES 137,722 1,891 9,891 9,382 138 4,755 8,248 

Bighorn Canyon NRA 201,010 9,278 6,261 5,463 80 1,930 3,383 

Biscayne NP 476,077 13,985 34,317 33,927 416 14,322 24,337 

Black Canyon of the Gunnison NP 168,336 18,118 8,436 8,022 106 2,108 4,448 

Blue Ridge PKWY 15,382,447 132,863 340,085 310,686 4,379 73,568 145,708 

Bluestone NSR 41,670 - 1,901 1,660 24 542 938 

Booker T. Washington NM 24,030 - 1,272 1,183 18 414 795 

Boston African American NHS 379,906 - 26,145 24,310 298 11,936 19,788 

Boston NHP 2,546,156 - 93,996 90,797 1,144 47,138 78,167 

Brown v. Board of Education NHS 16,886 - 894 831 13 355 610 

Bryce Canyon NP 1,296,000 133,221 115,066 113,928 1,726 32,695 64,683 

Buck Island Reef NM 28,223 3,920 2,018 1,921 29 490 991 

Buffalo NR 1,169,802 80,954 38,232 33,636 468 10,396 18,482 

Cabrillo NM 813,351 - 55,975 52,045 681 22,071 39,667 

Canaveral NS 1,005,001 3,146 72,256 68,525 1,034 32,487 57,312 

Cane River Creole NHP 26,996 - 1,429 1,329 20 390 752 

Canyon de Chelly NM 828,145 43,362 43,314 40,318 515 10,790 21,559 

Canyonlands NP 473,773 87,910 39,976 39,571 519 12,526 23,338 

Cape Cod NS 4,454,771 20,246 174,980 138,812 1,739 56,607 102,574 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

17

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Cape Hatteras NS 1,960,711 69,366 104,173 98,959 1,349 34,713 62,224 

Cape Krusenstern NM 8,668 9,237 2,987 2,987 31 998 1,787 

Cape Lookout NS 508,116 28,854 37,621 35,784 532 10,457 19,937 

Capitol Reef NP 668,834 36,577 40,856 40,607 600 11,968 23,459 

*

Capulin Volcano NM 46,358 - 1,391 1,366 18 288 573 

Carl Sandburg Home NHS 89,721 - 4,750 4,416 70 1,819 3,151 

Carlsbad Caverns NP 365,000 107 21,256 20,720 299 5,771 10,646 

Casa Grande Ruins NM 72,308 - 2,282 2,142 30 930 1,602 

Castillo de San Marcos NM 741,042 - 50,999 47,418 590 16,962 30,206 

Castle Clinton NM 3,985,366 - 81,538 56,980 571 23,915 39,008 

Catoctin Mountain Park 264,460 29,348 14,393 13,459 143 5,623 9,347 

Cedar Breaks NM 493,147 1,998 18,241 16,961 255 5,368 10,492 

Chaco Culture NHP 39,175 14,990 1,111 1,072 14 306 536 

Chamizal NMEM 113,817 - 7,833 7,283 110 2,747 5,260 

Channel Islands NP 242,756 60,922 22,368 21,308 296 10,912 19,246 

Charles Pinckney NHS 45,254 - 2,396 2,227 34 915 1,579 

Chattahoochee River NRA 3,161,297 - 102,108 68,878 798 29,323 46,311 

*

Chesapeake & Ohio Canal NHP 3,937,504 7,690 54,008 33,909 435 16,885 28,105 

Chickamauga & Chattanooga NMP 1,036,699 1,961 54,908 51,058 774 21,858 38,327 

Chickasaw NRA 1,212,139 73,956 18,160 13,961 150 3,145 5,570 

*

Chiricahua NM 37,037 5,232 3,414 3,383 45 1,022 2,018 

Christiansted NHS 119,335 - 4,422 4,112 62 1,039 2,087 

City of Rocks NRES 95,764 - 6,887 6,531 93 2,089 3,815 

Clara Barton NHS 15,620 - 1,075 999 11 425 706 

*

Colonial NHP 3,414,577 - 62,621 57,558 936 22,406 41,049 

Colorado NM 435,460 15,188 23,251 21,657 295 6,732 13,242 

Congaree NP 120,166 5,503 2,928 2,579 43 1,075 1,942 

Coronado NMEM 153,042 - 5,671 5,273 75 1,934 3,552 

Cowpens NB 223,923 4 11,854 11,022 176 4,385 7,836 

*

Crater Lake NP 423,551 79,054 34,688 33,665 549 12,781 24,037 

*

Craters of the Moon NM 198,545 14,119 6,821 6,746 81 1,748 2,940 

Cumberland Gap NHP 828,947 14,887 44,029 40,973 602 10,475 20,889 

Cumberland Island NS 74,279 16,961 5,270 5,025 73 2,236 3,959 

Curecanti NRA 924,468 53,058 41,288 36,075 450 8,808 18,313 

Cuyahoga Valley NP 2,161,185 5,539 51,473 37,248 530 14,931 24,305 

*

Dayton Aviation Heritage NHP 68,048 - 3,687 3,487 67 1,475 2,638 

De Soto NMEM 355,653 - 24,476 22,758 347 11,143 19,676 

Death Valley NP 946,867 224,379 50,240 48,087 616 16,114 30,619 

Delaware Water Gap NRA 4,986,700 109,067 149,655 127,502 1,998 47,729 93,899 

*

Denali NP & PRES 406,582 109,047 160,010 160,010 2,669 69,258 111,362 

Devils Postpile NM 97,207 4,215 3,642 3,394 41 1,028 1,961 

Devils Tower NM 395,203 13,313 14,772 13,759 207 4,781 8,075 

Dinosaur NM 213,559 40,066 7,671 7,159 92 2,080 3,992 

Dry Tortugas NP 75,171 39,318 6,887 6,618 73 2,514 4,261 

Edgar Allan Poe NHS 14,711 - 1,012 941 14 505 838 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

18

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

*

Effigy Mounds NM 82,581 - 5,124 4,901 82 1,278 2,547 

*

Eisenhower NHS 58,022 - 3,795 3,763 64 1,218 2,494 

El Malpais NM 105,356 417 4,140 3,986 59 1,503 2,594 

El Morro NM 48,332 1,943 1,816 1,738 23 365 787 

Eleanor Roosevelt NHS 50,074 - 919 567 7 180 361 

Eugene O'Neill NHS 2,593 - 178 166 2 89 153 

*

Everglades NP 934,351 28,868 146,784 141,069 2,336 83,242 140,066 

Federal Hall NMEM 187,109 - 12,877 11,973 135 6,193 10,235 

Fire Island NS 519,173 37,098 31,692 27,742 309 14,207 23,441 

First Ladies NHS 8,254 - 568 528 9 189 341 

Flight 93 NMEM 265,246 - 14,042 13,056 193 4,068 7,755 

Florissant Fossil Beds NM 61,289 - 3,245 3,017 39 1,062 1,962 

Ford's Theatre NHS 642,786 - 21,996 20,096 223 9,163 15,329 

*

Fort Bowie NHS 8,429 - 968 957 12 266 531 

Fort Caroline NMEM 326,149 - 22,446 20,870 325 6,303 11,679 

Fort Davis NHS 35,130 - 1,302 1,210 17 311 637 

Fort Donelson NB 257,389 3 9,538 8,868 132 2,472 4,770 

Fort Frederica NM 293,041 - 15,513 14,424 205 5,152 9,558 

Fort Laramie NHS 52,916 - 1,961 1,823 27 534 988 

*

Fort Larned NHS 26,704 - 1,567 1,531 23 449 838 

Fort Matanzas NM 570,695 - 39,275 36,518 454 13,063 23,262 

Fort McHenry NM & HS 641,254 - 44,131 41,033 586 18,034 32,474 

Fort Necessity NB 193,479 577 6,667 5,857 82 1,733 3,241 

Fort Point NHS 1,338,508 - 92,117 85,649 1,145 45,382 78,273 

Fort Pulaski NM 408,104 26 21,605 20,088 293 8,096 14,199 

Fort Raleigh NHS 282,134 - 10,455 9,721 141 3,673 6,645 

Fort Scott NHS 26,219 - 972 903 14 237 471 

Fort Smith NHS 86,122 - 4,559 4,239 69 1,466 2,643 

*

Fort Stanwix NM 102,874 - 5,451 5,242 65 1,670 3,755 

Fort Sumter NM 857,883 11 21,655 19,312 244 6,261 10,539 

Fort Union NM 9,575 - 618 617 8 186 332 

Fort Union Trading Post NHS 12,236 - 900 872 11 245 432 

Fort Vancouver NHS 710,439 - 37,610 34,969 575 17,117 29,386 

Fort Washington Park 409,381 - 14,009 12,799 142 5,836 9,763 

Fossil Butte NM 16,552 - 783 783 10 205 397 

Franklin Delano Roosevelt MEM 2,309,708 - 79,037 72,209 803 32,925 55,080 

Frederick Douglass NHS 46,694 - 1,598 1,460 16 666 1,114 

Frederick Law Olmsted NHS 4,022 - 277 257 3 126 209 

Fredericksburg & Spotsylvania N 908,836 - 48,113 44,735 618 15,068 28,167 

Friendship Hill NHS 30,039 - 2,067 1,922 29 634 1,196 

Gates of the Arctic NP & PRES 11,623 6,576 4,008 4,008 42 1,343 2,410 

Gateway NRA 7,697,727 8,165 150,947 60,712 668 30,724 50,537 

Gauley River NRA 109,780 4,765 4,882 4,259 59 1,578 2,570 

General Grant NMEM 104,769 - 7,210 6,704 76 3,468 5,731 

George Rogers Clark NHP 145,596 - 7,708 7,167 111 1,856 3,676 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

19

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

*

George Washington Birthplace NM 130,647 - 3,569 3,275 44 871 1,696 

George Washington Carver NM 30,787 - 547 519 7 145 272 

George Washington MEM PKWY 7,417,397 - 34,370 5,021 50 1,886 3,084 

*

Gettysburg NMP 1,124,659 24,948 72,326 71,731 1,226 23,209 47,532 

Gila Cliff Dwellings NM 25,317 - 716 690 10 161 312 

Glacier Bay NP & PRES 431,986 34,309 4,592 4,592 59 1,765 3,169 

Glacier NP 1,853,564 332,491 97,715 93,928 1,337 30,590 55,206 

Glen Canyon NRA 2,270,817 1,311,741 233,895 233,895 2,755 88,152 138,044 

Golden Gate NRA 14,567,487 60,927 289,700 119,573 1,566 62,428 107,537 

*

Golden Spike NHS 43,933 - 2,237 2,182 31 709 1,309 

Governors Island NM 402,174 - 37,602 35,659 409 18,969 31,399 

*

Grand Canyon NP 4,298,178 1,357,679 467,257 467,257 7,361 194,112 346,447 

Grand Portage NM 97,440 149 11,287 11,228 182 3,445 6,890 

*

Grand Teton NP 2,587,437 483,467 436,416 432,295 6,352 158,759 292,497 

Grant-Kohrs Ranch NHS 20,293 - 752 699 11 253 444 

Great Basin NP 91,451 36,026 4,528 4,339 56 1,029 2,096 

Great Sand Dunes NP & PRES 280,058 46,830 10,770 10,096 134 2,636 5,289 

Great Smoky Mountains NP 9,008,830 378,830 818,886 792,559 11,418 293,668 528,578 

Greenbelt Park 190,427 24,507 13,539 12,671 134 5,279 8,776 

Guadalupe Mountains NP 152,546 14,192 10,919 10,379 158 2,765 5,417 

Guilford Courthouse NMP 346,617 12 18,350 17,061 281 7,312 12,746 

Gulf Islands NS 5,501,872 138,680 164,709 95,972 1,264 30,575 57,097 

Hagerman Fossil Beds NM 21,100 - 678 590 9 191 339 

Haleakala NP 956,989 21,436 68,757 65,241 795 26,798 48,229 

Hamilton Grange NMEM 7,817 - 533 496 6 266 441 

Hampton NHS 32,165 - 2,214 2,058 29 905 1,629 

Harpers Ferry NHP 255,348 - 9,993 9,117 135 3,963 6,955 

Harry S Truman NHS 28,924 - 1,991 1,851 30 955 1,574 

Hawaii Volcanoes NP 1,352,123 80,880 96,990 92,119 1,121 37,711 67,877 

Herbert Hoover NHS 134,249 - 7,107 6,608 109 2,513 4,317 

Home of Franklin D. Roosevelt NHS 125,488 - 2,723 2,392 29 778 1,577 

*

Homestead NM of America 69,845 - 2,308 2,161 32 654 1,166 

Hopewell Culture NHP 33,834 - 1,254 1,166 18 326 611 

Hopewell Furnace NHS 44,873 - 2,376 2,209 33 926 1,615 

Horseshoe Bend NMP 65,892 - 3,488 3,243 49 980 1,776 

Hot Springs NP 1,396,354 13,943 100,386 95,223 1,551 30,878 54,885 

Hovenweep NM 25,858 1,558 1,390 1,297 17 403 740 

Hubbell Trading Post NHS 88,231 - 4,671 4,343 57 921 2,109 

Independence NHP 3,572,770 - 149,894 134,115 1,878 67,770 112,298 

Indiana Dunes NL 1,840,513 22,823 58,817 41,251 572 13,892 24,596 

Isle Royale NP 15,892 48,787 2,098 2,098 30 524 1,049 

*

James A. Garfield NHS 31,499 - 1,031 944 15 449 746 

Jean Lafitte NHP & PRES 420,366 - 22,254 20,691 292 10,284 16,699 

Jefferson NEM 2,259,020 - 97,764 85,939 1,110 44,057 75,918 

Jewel Cave NM 77,146 - 4,084 3,797 60 1,319 2,260 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

20

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Jimmy Carter NHS 66,157 - 2,452 2,279 34 571 1,189 

John D. Rockefeller, Jr. MEM PK 1,147,986 34,914 7,471 6,930 93 2,198 3,727 

*

John Day Fossil Beds NM 148,002 - 7,303 7,185 90 1,668 3,349 

John F. Kennedy NHS 18,466 - 1,271 1,182 14 580 962 

John Muir NHS 31,236 - 2,150 1,999 26 836 1,557 

Johnstown Flood NMEM 105,906 - 6,356 5,870 97 2,161 4,092 

*

Joshua Tree NP 1,396,237 281,544 50,471 50,031 690 20,220 37,817 

Kalaupapa NHP 57,841 - 3,062 2,847 34 1,142 2,049 

Kaloko Honokohau NHP 162,906 - 8,624 8,019 96 3,215 5,771 

*

Katmai NP & PRES 48,939 8,239 12,583 12,445 166 4,928 8,847 

Kenai Fjords NP 346,852 1,791 11,804 11,630 159 4,624 8,303 

Kennesaw Mountain NBP 1,748,436 - 59,809 52,087 644 22,144 36,030 

Kings Canyon NP 566,810 182,275 44,116 40,524 549 15,441 29,781 

*

Kings Mountain NMP 272,325 92 9,992 8,882 135 3,127 5,699 

Klondike Gold Rush NHP Alaska 795,150 5,592 22,504 22,236 273 8,226 14,678 

Klondike Gold Rush NHP Seattle 64,898 - 4,466 4,153 60 2,025 3,485 

Knife River Indian Villages NHS 16,025 - 594 552 9 207 359 

Kobuk Valley NP 11,485 9,715 3,955 3,955 41 1,318 2,354 

Korean War Veterans Memorial 3,073,430 - 105,171 96,086 1,068 43,812 73,293 

Lake Chelan NRA 43,827 10,595 1,803 1,646 23 827 1,414 

Lake Clark NP & PRES 5,158 1,931 1,775 1,775 18 590 1,052 

Lake Mead NRA 6,396,682 923,421 246,962 209,944 2,544 79,462 138,418 

Lake Meredith NRA 734,030 17,098 32,446 28,237 382 8,189 15,636 

Lake Roosevelt NRA 1,523,474 162,760 48,758 42,892 563 11,732 22,969 

Lassen Volcanic NP 351,269 88,567 15,807 14,403 178 4,458 8,675 

Lava Beds NM 124,113 10,827 4,678 4,456 52 1,187 2,319 

LBJ Memorial Grove on the Potomc 239,058 - 16,452 15,297 164 6,499 10,807 

Lewis & Clark NHP 191,867 - 10,157 9,444 142 2,386 4,794 

Lincoln Boyhood NMEM 108,420 - 5,740 5,337 83 1,550 2,906 

Lincoln Home NHS 296,214 - 16,367 16,061 233 6,006 11,410 

Lincoln Memorial 5,971,220 - 204,331 186,680 2,075 85,120 142,397 

Little Bighorn Battlefield NM 312,168 - 11,568 10,756 165 4,036 7,067 

Little River Canyon NPRES 225,549 - 11,355 10,768 169 3,237 6,213 

Little Rock Central High School NHS 66,106 - 3,500 3,254 52 1,479 2,389 

Longfellow NHS 46,596 - 2,467 2,294 28 1,126 1,867 

Lowell NHP 520,452 - 35,818 33,303 408 16,351 27,109 

Lyndon B. Johnson NHP 100,056 - 6,886 6,402 90 2,718 4,738 

Maggie L. Walker NHS 10,779 - 271 143 2 66 114 

Mammoth Cave NP 483,319 78,172 33,504 31,618 508 11,080 19,822 

Manassas NBP 659,740 - 9,669 9,256 105 3,558 5,776 

*

Manzanar NHS 79,587 - 8,434 8,381 92 2,091 4,286 

Marsh-Billings-Rockefeller NHP 29,049 - 1,538 1,430 21 536 932 

Martin Luther King Jr. Memorial 1,490,358 - 101,657 94,240 1,017 41,961 70,532 

Martin Luther King, Jr. NHS 666,482 - 45,868 42,647 562 21,142 33,915 

Martin Van Buren NHS 19,287 - 419 367 4 110 202 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

21

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Mary McLeod Bethune Council House 

NHS 18,142 - 621 567 6 259 433 

Mesa Verde NP 572,329 70,891 43,382 41,397 551 12,518 24,207 

Minute Man NHP 1,002,833 - 69,015 64,170 851 29,855 51,655 

*

Minuteman Missile NHS 59,389 - 4,229 4,229 65 1,467 2,505 

Mississippi NRRA 99,398 - 11,029 10,567 186 5,981 10,155 

Missouri NRR 179,983 - 9,061 8,593 140 2,204 4,171 

Mojave NPRES 536,006 1,584 12,552 10,978 131 4,624 8,187 

*

Monocacy NB 36,674 - 2,796 2,591 33 1,299 2,122 

Montezuma Castle NM 573,731 - 30,373 28,240 428 13,851 24,025 

Moores Creek NB 58,118 252 2,150 1,999 31 704 1,293 

Morristown NHP 222,395 - 11,773 10,947 123 5,662 9,358 

*

Mount Rainier NP 1,038,229 162,684 33,006 31,382 436 11,653 21,090 

Mount Rushmore NMEM 2,081,722 - 74,365 69,991 1,007 22,080 37,100 

Muir Woods NM 897,131 - 61,741 57,406 767 30,417 52,462 

Natchez NHP 206,624 - 10,938 10,170 131 2,674 5,243 

Natchez Trace PKWY 5,765,343 21,957 93,117 33,926 455 7,618 14,891 

National Capital Parks Central 1,240,717 - 42,457 38,789 431 17,686 29,588 

National Capital Parks East 1,167,393 - 39,947 36,497 406 16,641 27,839 

National Park of American Samoa 8,716 - 744 713 11 188 381 

Natural Bridges NM 91,184 6,665 4,918 4,590 59 1,191 2,339 

Navajo NM 87,388 2,533 4,655 4,335 56 1,348 2,515 

New Bedford Whaling NHP 273,862 - 14,250 13,618 207 6,140 11,616 

New Orleans Jazz NHP 130,393 - 6,903 6,418 90 3,190 5,180 

*

New River Gorge NR 1,071,088 8,861 46,224 43,316 596 13,647 23,667 

Nez Perce NHP 286,259 - 10,608 9,863 151 3,849 7,119 

Nicodemus NHS 2,681 - 133 130 2 38 68 

Ninety Six NHS 70,099 - 3,711 3,450 50 946 1,793 

Niobrara NSR 65,785 - 3,312 3,141 51 806 1,525 

Noatak NPRES 11,722 9,694 4,036 4,036 42 1,343 2,397 

North Cascades NP 19,208 17,002 1,252 1,206 16 582 997 

Obed W&SR 212,458 1,340 9,711 8,482 124 2,277 4,420 

Ocmulgee NM 122,722 - 6,497 6,041 93 2,145 4,109 

*

Olympic NP 2,966,502 298,235 115,317 105,561 1,497 28,293 59,819 

Oregon Caves NM 76,194 6,307 3,848 3,578 55 1,212 2,393 

Organ Pipe Cactus NM 211,405 13,024 11,358 10,594 160 5,099 8,869 

Ozark NSR 1,365,960 168,595 65,280 57,823 861 13,337 27,211 

Padre Island NS 542,873 59,828 38,805 36,897 516 10,304 19,878 

Palo Alto Battlefield NHP 24,752 - 917 853 13 303 593 

Pea Ridge NMP 114,234 - 6,047 5,623 88 1,537 2,833 

Pecos NHP 43,873 - 1,022 989 15 377 642 

Pennsylvania Avenue NHS 236,136 - 8,080 7,382 82 3,366 5,631 

*

Perry's Victory & Intl. Peace M 93,119 1,581 7,422 7,422 147 3,430 6,037 

Petersburg NB 213,261 - 11,290 10,497 155 3,799 7,139 

Petrified Forest NP 614,054 4,611 44,161 41,879 568 11,735 23,317 

Petroglyph NM 114,428 - 5,060 4,098 66 1,728 2,987 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

22

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

*

Pictured Rocks NL 561,104 33,974 24,970 24,532 357 5,676 12,414 

Pinnacles NM 393,219 - 8,415 6,942 82 2,802 4,823 

Pipe Spring NM 57,360 - 3,037 2,823 39 933 1,752 

Pipestone NM 61,908 - 2,846 2,762 44 991 1,678 

Piscataway Park 279,060 - 9,549 8,724 97 3,978 6,655 

Point Reyes NS 2,129,116 40,822 93,317 84,981 1,105 43,524 75,171 

Port Chicago Naval Magazine NM 545 - 37 34 1 21 36 

President W.J. Clinton Birthplace 9,749 - 512 474 7 124 254 

President's Park 786,151 - 26,902 24,578 273 11,207 18,748 

Prince William Forest Park 379,535 48,504 21,833 16,328 172 6,494 10,808 

Pu'uhonua o Honaunau NHP 426,224 - 22,564 20,980 252 8,412 15,099 

Pu'ukohola Heiau NHS 133,306 - 7,057 6,562 79 2,631 4,722 

Rainbow Bridge NM 92,311 - 4,887 4,544 60 1,485 2,701 

Redwood NP 380,167 5,420 20,172 18,186 247 4,689 9,966 

Richmond NBP 139,376 - 10,374 9,335 146 4,420 7,697 

Rio Grande W&SR 873 4,871 106 105 1 22 45 

River Raisin NBP 36,206 - 3,090 2,961 52 1,667 2,837 

Rock Creek Park 2,050,490 - 70,166 64,105 713 29,230 48,899 

Rocky Mountain NP 3,176,941 200,712 196,127 191,892 2,742 71,849 138,269 

Roger Williams NMEM 50,909 - 3,504 3,258 46 1,420 2,459 

Ross Lake NRA 728,353 71,820 23,339 20,516 280 9,832 16,804 

Russell Cave NM 20,717 - 1,097 1,020 16 274 526 

Sagamore Hill NHS 53,336 - 3,671 3,413 41 1,516 2,726 

Saguaro NP 610,045 2,033 21,949 15,156 211 5,547 10,044 

Saint Croix NSR 273,729 29,738 8,803 7,740 122 2,348 4,293 

Saint Paul's Church NHS 14,926 - 1,027 955 11 494 816 

*

Saint-Gaudens NHS 32,695 - 1,297 1,193 19 494 869 

Salem Maritime NHS 737,073 - 50,726 47,164 578 23,157 38,392 

Salinas Pueblo Missions NM 29,786 - 823 792 12 306 520 

Salt River Bay NHP & Ecological 2,419 - 206 198 3 52 106 

San Antonio Missions NHP 568,021 - 23,831 21,323 297 8,913 15,385 

San Francisco Maritime NHP 4,224,897 10,876 95,492 70,774 855 33,761 58,207 

San Juan Island NHP 266,717 - 18,356 17,067 235 5,939 11,420 

San Juan NHS 1,229,590 - 65,093 60,523 892 17,812 34,157 

Sand Creek Massacre NHS 3,935 - 336 322 4 80 172 

Santa Monica Mountains NRA 609,636 144 26,192 17,258 242 9,013 15,833 

Saratoga NHP 65,043 - 2,410 2,241 27 700 1,426 

Saugus Iron Works NHS 11,121 - 765 712 9 349 579 

Scotts Bluff NM 128,811 - 4,416 3,586 60 1,134 2,033 

*

Sequoia NP 1,006,583 228,644 77,776 71,141 965 27,119 52,409 

Shenandoah NP 1,209,883 282,888 73,908 65,113 938 22,465 41,855 

Shiloh NMP 387,816 - 14,371 13,362 202 4,033 7,844 

Sitka NHP 186,864 - 4,058 4,010 49 1,483 2,645 

*

Sleeping Bear Dunes NL 1,348,304 129,973 132,774 129,244 2,288 52,893 102,846 

Springfield Armory NHS 16,161 - 1,112 1,034 14 438 800 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

23

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Statue of Liberty NM 3,749,982 - 174,607 157,217 2,009 79,828 137,508 

Steamtown NHS 111,725 - 4,140 3,850 59 1,529 2,759 

Stones River NB 187,208 - 9,911 9,215 143 4,716 7,784 

Sunset Crater Volcano NM 185,265 - 9,808 9,119 121 2,986 5,514 

Tallgrass Prairie NPRES 17,893 - 901 854 14 225 433 

Thaddeus Kosciuszko NMEM 1,949 - 134 125 2 67 111 

Theodore Roosevelt Birthplace NHS 6,537 - 450 418 5 216 358 

Theodore Roosevelt Inaugural NHS 17,107 - 1,177 1,095 15 416 840 

Theodore Roosevelt Island Park 137,690 - 9,476 8,811 95 3,743 6,225 

Theodore Roosevelt NP 563,407 21,518 28,318 26,881 431 8,784 15,313 

Thomas Edison NHP 55,284 - 3,805 3,538 40 1,830 3,024 

Thomas Jefferson MEM 1,945,696 - 66,580 60,829 676 27,736 46,400 

Thomas Stone NHS 6,351 - 437 406 4 173 287 

Timpanogos Cave NM 96,965 - 6,673 6,205 100 2,856 4,840 

Timucuan EHP 1,028,922 - 56,265 43,836 617 19,121 33,487 

Tonto NM 53,426 - 2,828 2,630 40 1,279 2,227 

Tumacacori NHP 33,740 - 1,250 1,163 16 426 783 

Tuskegee Airmen NHS 16,244 - 860 800 13 303 523 

Tuskegee Institute NHS 23,288 - 1,233 1,146 18 435 749 

Tuzigoot NM 101,104 - 5,352 4,977 75 2,441 4,234 

Ulysses S. Grant NHS 35,664 - 2,454 2,282 31 1,209 2,086 

Upper Delaware S&RR 270,390 - 8,636 7,538 89 2,182 4,207 

*

Valley Forge NHP 1,303,046 2,000 49,497 35,127 560 21,595 34,786 

Vanderbilt Mansion NHS 367,680 - 5,761 3,363 39 1,025 2,023 

Vicksburg NMP 796,035 - 42,141 39,182 589 16,080 27,139 

Vietnam Veterans MEM 4,020,127 - 137,566 125,682 1,397 57,307 95,869 

*

Virgin Islands NP 442,414 57,741 58,649 58,649 1,086 21,565 40,139 

Voyageurs NP 177,184 65,465 8,972 8,593 137 2,993 5,566 

Walnut Canyon NM 125,003 - 6,618 6,153 82 2,015 3,721 

War in the Pacific NHP 482,391 - 17,876 16,621 245 4,892 9,380 

Washington Monument 430,153 - 14,720 13,448 150 6,132 10,258 

Washita Battlefield NHS 10,995 - 456 428 7 110 222 

Weir Farm NHS 22,415 - 1,543 1,434 16 692 1,161 

Whiskeytown NRA 761,710 43,713 33,980 29,683 386 8,906 18,157 

White House 570,057 - 19,507 17,822 198 8,126 13,594 

White Sands NM 428,924 2,185 15,812 15,500 230 5,053 9,091 

Whitman Mission NHS 57,611 - 2,135 1,985 28 601 1,143 

William Howard Taft NHS 21,141 - 1,455 1,353 22 646 1,053 

Wilson's Creek NB 192,865 - 10,210 9,493 156 3,689 6,705 

Wind Cave NP 538,394 3,054 51,506 51,381 890 19,661 34,288 

Wolf Trap NP for the Performing Arts 425,177 - 29,261 27,206 292 11,558 19,222 

*

Women's Rights NHP 25,426 - 740 740 7 173 334 

World War II Memorial 3,752,172 - 128,397 117,305 1,304 53,487 89,479 

World War II Valor in the Pacific NM 1,694,896 - 71,109 63,623 735 24,117 42,948 

Wrangell-St. Elias NP & PRES 65,225 - 3,110 3,110 44 1,174 2,123 
Table A-1. Local-Level Impacts of NPS Visitor Spending on Local Economies by Park, 2011 (continued)

24

Park Unit

Public Use Data Visitor Spending 2011 Impacts of Non-local Visitor 

Spending

2011 

Recreation 

Visits

2011 

Overnight 

Stays

All 

Visitors

Non-local 

Visitors Jobs

Labor 

Income

Value 

Added

($000's) ($000's) ($000's) ($000's)

Wright Brothers NMEM 445,455 - 16,507 15,348 223 5,800 10,491 

Wupatki NM 216,165 - 11,444 10,640 141 3,484 6,434 

*

Yellowstone NP 3,394,326 1,280,978 332,975 332,975 5,041 133,534 227,947 

*

Yosemite NP 3,951,393 1,630,610 379,116 374,136 5,003 128,202 251,573 

Yukon-Charley Rivers NPRES 1,718 6,774 1,966 1,966 21 670 1,217 

*

Zion NP 2,825,505 312,608 138,697 137,403 2,286 51,416 98,433 

* For these parks, results are based on a visitor survey at the designated park. For other parks, visitor characteristics and 

spending averages are adapted from national averages for each park type, adjusted for surrounding populations and spending 

opportunities. 

Notes: Non-local visitors live outside a roughly 60-mile radius of the park. Jobs include part-time and full-time jobs with 

seasonal jobs adjusted to an annual basis. Impacts include direct and secondary effects of visitor spending on the local economy. 

Labor income covers wages and salaries, payroll benefits, and incomes of sole proprietors in the local region. Value added 

includes labor income, profits and rents, and indirect business taxes.
Table A-2. State-Level Impacts of NPS Visitor Spending on State Economies by State, 2011

25

State

Non-local 

Visitor 

Spending

($ Millions)

Jobs from 

Non-local 

Visitor 

Spending 

Labor Income 

from Nonlocal Visitor 

Spending

($ Millions)

Value-added 

from Nonlocal Visitor 

Spending 

($ Millions)

Alaska 237 4,138 116 200 

Alabama 19 315 8 13 

Arkansas 140 2,364 53 92 

American Samoa 1 12 0a 1 

Arizona 737 12,499 381 671 

California 1,192 17,978 690 1,224 

Colorado 319 4,621 148 266 

Connecticut 1 19 1 1 

District of Columbia 1,025 8,852 404 684 

Florida 608 9,818 320 561 

Georgia 241 3,592 108 189 

Guam 17 268 8 14 

Hawaii 259 3,113 104 187 

Iowa 12 195 5 8 

Idaho 24 379 8 15 

Illinois 16 253 9 16 

Indiana 54 826 20 35 

Kansas 4 67 2 3 

Kentucky 85 1,400 36 62 

Louisiana 28 429 12 21 

Massachusetts 432 6,917 179 307 

Maryland 145 2,025 65 115 

Maine 183 2,555 97 169 

Michigan 159 2,875 82 148 

Minnesota 37 665 19 33 

Missouri 158 2,468 67 116 

Mississippi 101 1,471 35 61 

Montana 279 4,492 107 190 

North Carolina 725 11,915 323 560 

North Dakota 28 478 11 18 

Nebraska 13 227 5 9 

New Hampshire 1 20 1 1 

New Jersey 117 1,807 63 113 

New Mexico 98 1,479 36 63 

Nevada 162 2,045 67 116 

New York 341 3,998 159 274 

Ohio 52 862 22 39 

Oklahoma 14 177 5 9 

Oregon 54 915 26 45 

Pennsylvania 325 5,358 161 280 

Puerto Rico 61 980 29 50 

Rhode Island 3 45 1 2 

South Carolina 48 704 18 31 

South Dakota 160 2,576 54 93 

Tennessee 530 8,847 261 452 

Texas 177 2,798 91 164 

Utah 693 11,240 336 565 
Table A-2. State-Level Impacts of NPS Visitor Spending on State Economies by State, 2011 (continued)

26

State

Non-local 

Visitor 

Spending

($ Millions)

Jobs from 

Non-local 

Visitor 

Spending 

Labor Income 

from Nonlocal Visitor 

Spending

($ Millions)

Value-added 

from Nonlocal Visitor 

Spending 

($ Millions)

Virginia 541 8,116 237 417 

Virgin Islands 65 1,236 37 63 

Vermont 1 22 1 1 

Washington 261 3,827 121 215 

Wisconsin 24 455 12 19 

West Virginia 60 869 21 36 

Wyoming 621 9,098 222 397 

a $0.35 million for labor income
Table A-3. Regional-Level Impacts of NPS Visitor Spending on Regional Economies by Region, 2011

27

Region Non-local 

Visitor Spending

($ Millions)

Jobs from 

Non-local 

Visitor 

Spending 

Labor Income 

from Nonlocal Visitor 

Spending

($ Millions)

Value-added 

from Nonlocal Visitor 

Spending 

($ Millions)

Alaska Region 237 4,138 116 200

Intermountain Region 2,885 48,326 1,569 2,811

Midwest Region 854 15,630 462 810

National Capital Region 1,209 15,225 587 984

Northeast Region 1,847 28,802 1,071 1,873

Pacific West Region 2,022 30,612 1,144 2,026

Southeast Region 2,631 44,944 1,397 2,461
Table A-4. Allocations to States for Multi-State Parks

28

Park State Share

Assateague Island NS MD 33%

Assateague Island NS VA 67%

Bighorn Canyon NRA WY 46%

Bighorn Canyon NRA MT 54%

Big South Fork NRRA KY 41%

Big South Fork NRRA TN 59%

Blue Ridge Parkway VA 38%

Blue Ridge Parkway NC 62%

Chickamauga & Chattanooga NMP GA 50%

Chickamauga & Chattanooga NMP TN 50%

Chesapeake & Ohio Canal NHP WV 6%

Chesapeake & Ohio Canal NHP MD 9%

Chesapeake & Ohio Canal NHP DC 85%

Cumberland Gap NHP KY 93%

Cumberland Gap NHP VA 7%

Delaware Water Gap NRA PA 29%

Delaware Water Gap NRA NJ 71%

Dinosaur NM UT 26%

Dinosaur NM CO 74%

Gateway NRA NJ 20%

Gateway NRA NY 80%

Glen Canyon NRA AZ 8%

Glen Canyon NRA UT 92%

Great Smoky Mountains NP NC 44%

Great Smoky Mountains NP TN 56%

Gulf Islands Nat Seashore MS 25%

Gulf Islands Nat Seashore FL 75%

Hovenweep NM CO 44%

Hovenweep NM UT 56%

Lake Mead NRA AZ 25%

Lake Mead NRA NV 75%

Natchez Trace Parkway AL 7%

Natchez Trace Parkway TN 13%

Natchez Trace Parkway MS 80%

National capital Parks East MD 10%

National capital Parks East DC 90%

Saint Croix Nat scenic river MN 50%

Saint Croix Nat scenic river WI 50%

Upper Delaware SRR NY 50%

Upper Delaware SRR PA 50%

Yellowstone NP WY 49%

Yellowstone NP MT 51%

The Department of the Interior protects and manages the nation’s natural resources and cultural heritage; provides scientific and 

other information about those resources; and honors its special responsibilities to American Indians, Alaska Natives, and affiliated 

Island Communities.
National Park Service

U.S. Department of the Interior

Natural Resource Stewardship and Science

1201 Oakridge Drive

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www.nature.nps.gov

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