# List of Idaho state parks

This is a list of Idaho's 27 state parks managed by the Idaho Department of Parks and Recreation. In Idaho state code, there are 30 state parks listed, including Mowry State Park, Veteran's State Park, and Glade Creek. While these three remain state property, they are managed by entities other than the state of Idaho:
* Veterans Park in Boise is managed by the City of Boise Parks Department
* Mowry State Park on Lake Coeur d'Alene is managed by Kootenai Parks and Waterways
* Glade Creek near Lolo Pass is managed by the U.S. Forest Service

## State parks

| Name | County | Size | Size | Elevation | Elevation | Estab- lished | Image | Remarks |
| Name | County | acre | ha | feet | meters | Estab- lished | Image | Remarks |
| Bear Lake State Park | Bear Lake | 966 | 391 | 5,900 | 1,800 | 1969 | | Comprises two properties on the shore of Bear Lake. |
| Bruneau Dunes State Park | Owyhee | 4,800 | 1,900 | 2,470 | 750 | 1967 | | Showcases dunes rising up to 470 feet (140 m) above several small lakes. |
| Castle Rocks State Park | Cassia | 1,692 | 685 | 5,620 | 1,710 | 2003 | | Features granite spires and an early-20th century ranch at the base of Cache Peak. |
| City of Rocks National Reserve | Cassia | 14,407 | 5,830 | 5,720 | 1,740 | 1988 | | Showcases granite spires and monoliths popular for rock climbing. |
| Dworshak State Park | Clearwater | 850 | 340 | 1,600 | 490 | 1989 | | Comprises three properties on the shore of the reservoir created by the Dworshak Dam. |
| Eagle Island State Park | Ada | 545 | 221 | 2,724 | 830 | 1983 | | Features day-use recreational facilities, including a swimming beach and water slide, near Boise. |
| Farragut State Park | Kootenai | 4,000 | 1,600 | 2,054 | 626 | 1966 | | Features recreational facilities on Lake Pend Oreille at the site of a former U.S. Navy training base. |
| Harriman State Park | Fremont | 11,000 | 4,500 | 6,120 | 1,870 | 1977 | | Preserves expansive wildlife habitat, a historic ranch, and fly fishing in Henrys Fork within the Greater Yellowstone Ecosystem. |
| Hells Gate State Park | Idaho | 960 | 390 | 733 | 223 | 1973 | | Contains the mouth of Hells Canyon, the deepest canyon in North America. |
| Henrys Lake State Park | Fremont | 585 | 237 | 6,470 | 1,970 | 1973 | | Adjoins Henrys Lake 15 miles (24 km) west of Yellowstone National Park. |
| Heyburn State Park | Benewah | 8,106 | 3,280 | 2,128 | 649 | 1908 | | Preserves three lakes in the oldest state park in the Pacific Northwest. |
| Lake Cascade State Park | Valley | 500 | 200 | 4,828 | 1,472 | 1999 | | Comprises properties dispersed around Lake Cascade's 86 miles (138 km) of shoreline. |
| Lake Walcott State Park | Minidoka | 65 | 26 | 4,700 | 1,400 | 1999 | | Provides water recreation at the northwest end of Lake Walcott. |
| Land of the Yankee Fork State Park | Custer | 521 | 211 | 5,001–6,500 | 1,524–1,981 | 1990 | | Interprets Idaho's frontier mining history, including the ghost towns of Bayhorse, Bonanza, and Custer. |
| Lucky Peak State Park | Ada | 240 | 97 | 2,750 | 840 | 1956 | | Comprises three day-use areas east of Boise on Lucky Peak Lake and the Boise River. |
| Massacre Rocks State Park | Power | 990 | 400 | 4,400 | 1,300 | 1967 | | Preserves a boulder field on the Snake River where emigrants on the Oregon and California Trails feared ambush by Native Americans. |
| McCroskey State Park | Benewah, Latah | 5,300 | 2,100 | 3,039–4,324 | 926–1,318 | 1955 | | Offers a scenic drive along a ridge overlooking the Palouse. |
| Old Mission State Park | Kootenai | 18 | 7.3 | 2,200 | 670 | 1975 | | Interprets the oldest standing building in Idaho, finished in 1853 as a Jesuit mission to the Coeur d'Alene people. |
| Ponderosa State Park | Valley | 1,515 | 613 | 5,050 | 1,540 | 1973 | | Preserves a peninsula jutting into Payette Lake. |
| Priest Lake State Park | Bonner | 755 | 306 | 2,440 | 740 | 1973 | | Comprises three units around Priest Lake in the Selkirk Mountains. |
| Round Lake State Park | Bonner | 142 | 57 | 2,122 | 647 | 1965 | | Surrounds a 58-acre (23 ha) lake. |
| Thousand Springs State Park | Gooding | 1,500 | 610 | 2,800 | 850 | 2005 | | Comprises multiple units in the Hagerman Valley where numerous springs charged by the Snake River Aquifer flow out of the eastern valley wall. |
| Three Island Crossing State Park | Elmore | 613 | 248 | 2,484 | 757 | 1968 | | Interprets the site of a ford over the Snake River on the Oregon Trail, |
| Winchester Lake State Park | Lewis | 418 | 169 | 3,900 | 1,200 | 1969 | | Surrounds a 104-acre (42 ha) lake known for its rainbow trout fishing. |

## State trails

| Name | County | Length | Length | Elevation | Elevation | Estab- lished | Image | Remarks |
| Name | County | mi | km | feet | meters | Estab- lished | Image | Remarks |
| Ashton to Tetonia Trail | Fremont, Teton | 29.6 | 47.6 | 5,277–6,064 | 1,608–1,848 | 2010 | | Follows the abandoned railroad grade of the Teton Valley Branch of the Union Pacific Railroad. |
| Coeur d'Alene Parkway State Park | Kootenai | 5.7 | 9.2 | 2,187 | 667 | | | Provides a walking and bicycling path along the north shore of Lake Coeur d'Alene, as the east end of the North Idaho Centennial Trail. |
| Trail of the Coeur d'Alenes | Benewah, Kootenai, Shoshone | 73 | 117 | 2,200–3,280 | 670–1,000 | 2004 | | Comprises a 73-mile (117 km) paved rail trail across the Idaho Panhandle. |