# List of Ohio State Nature Preserves

The state of Ohio has a procedure for dedicating properties as state nature preserves through the Ohio Division of Natural Areas & Preserves. Some preserves are owned outright by the state, while others are owned by other agencies. Some are open to the public, and others are not.

## List of Ohio State Nature Preserves

| State Nature Preserve | Acres | County |
| Acadia Cliffs State Nature Preserve | 112.5 | Athens |
| Adams Lake Prairie Nature Preserve | 22.37 | Washington |
| Audubon Islands Nature Preserve | 170 | Lucas |
| Aurora Sanctuary State Nature Preserve | 164 | Portage |
| Baker Woods State Nature Preserve | 47.3 | Mercer |
| The Evans R. Beck Memorial Nature Preserve | 10.1 | Portage |
| Betsch Fen Nature Preserve | 90.67 | Ross |
| Bigelow Cemetery State Nature Preserve | 0.5 | Madison |
| Blackhand Gorge State Nature Preserve | 956.5 | Licking |
| Boch Hollow (Kessler) State Nature Preserve | 571.0283 | Hocking |
| Bonnett Pond Bog State Nature Preserve | 16.52 | Holmes |
| Boord State Nature Preserve | 126.704 | Washington |
| Brown's Lake Bog State Nature Preserve | 99.16 | Wayne |
| Burton Wetlands Nature Preserve | 276.5476 | Geauga |
| Caesar Creek Gorge State Nature Preserve | 483.44 | Warren |
| Louis W. Campbell Nature Preserve | 210.09 | Lucas |
| Carmean Woods State Nature Preserve | 39.16 | Crawford |
| Cedar Bog State Memorial | 426.5 | Champaign |
| Chaparral State Nature Preserve | 66.67 | Adams |
| Christmas Rocks State Nature Preserve | 553.68 | Fairfield |
| Clear Creek Nature Preserve | 4769.21 | Hocking, Fairfield |
| Clear Fork Gorge State Nature Preserve | 28.77 | Ashland |
| The Clifton Gorge - John L. Rich Nature Preserve | 268.37 | Greene |
| Collier State Nature Preserve | 114.86 | Seneca |
| O.E. Anderson Compass Plant Prairie | 15.5 | Lawrence |
| Conkles Hollow State Nature Preserve | 86.88 | Hocking |
| Conneaut Swamp State Nature Preserve | 55.141 | Ashtabula |
| Crabill Fen | 31.66 | Clark |
| Cranberry Bog State Nature Preserve | 11 | Licking |
| Crane Hollow Nature Preserve | 1491.525 | Hocking |
| Crooked Run Nature Preserve | 77.51 | Clermont |
| Dean A. Culberson State Nature Preserve | 279.56 | Clinton |
| Daughmer Prairie Savannah State Nature Preserve | 33.656 | Crawford |
| Davey Woods State Nature Preserve | 103.17 | Champaign |
| Davis Memorial State Nature Preserve | 121.81 | Adams |
| Marie J. Desonier Nature Preserve | 491.34 | Adams |
| Drew Woods State Nature Preserve | 14.57 | Darke |
| Dupont Marsh State Nature Preserve | 113.94 | Erie |
| Eagle Creek Nature Preserve | 472.35 | Portage |
| Emerald Hills State Nature Preserve | 78.68 | Belmont |
| Erie Sand Barrens State Nature Preserve | 31.85 | Erie |
| Flatiron Lake Bog Nature Preserve | 97.09 | Portage |
| Forrest Woods Nature Preserve | 193.388 | Paulding |
| Fowler Woods Nature Preserve | 187.069 | Richland |
| Gahanna Woods Nature Preserve | 59.329 | Franklin |
| John F. Gallagher Fen State Nature Preserve | 212.75 | Clark |
| Goll Woods Nature Preserve | 320.64 | Fulton |
| Goode Prairie State Nature Preserve | 28.43 | Miami |
| Alice and George Gott State Nature Preserve | 44.92 | Portage |
| Greenbelt Nature Preserve | 97.3 | Hamilton |
| Greenville Falls | 79.45 | Miami |
| Samuel Gross Memorial Woods Nature Preserve | 48.54 | Shelby |
| Hach-Otis State Nature Preserve | 81.11 | Lake |
| Halls Creek Woods State Nature Preserve | 218.71 | Warren |
| Headlands Dunes State Nature Preserve | 25 | Lake |
| J. Arthur Herrrick State Nature Preserve | 126.5 | Portage |
| Hueston Woods Nature Preserve | 200 | Butler |
| Edward F. Hutchins Nature Preserve | 206.48 | Delaware |
| Irwin Prairie Nature Preserve | 226.467 | Lucas |
| Jackson Bog State Nature Preserve | 63.382 | Stark |
| Johnson Ridge | 208.43 | Adams |
| Johnson Woods State Nature Preserve | 205.79 | Wayne |
| Ka-ma-ma Prairie State Nature Preserve | 85.983 | Adams |
| Karlo Fen | 14.6 | Summit |
| Kendrick Woods State Nature Preserve | 159.24 | Allen |
| Kent Bog State Nature Preserve | 41.69 | Portage |
| Kessler Swamp State Nature Preserve | 20.315 | Hocking |
| Kiser Lake Wetlands Nature Preserve | 51.29 | Champaign |
| Kitty Todd Nature Preserve | 615.77 | Lucas |
| Knox Woods | 29.83 | Knox |
| Arthur Kyle State Nature Preserve | 81.86 | Mahoning |
| Ladd Natural Bridge State Nature Preserve | 34.98 | Washington |
| Lake Katharine State Nature Preserve | 2018.968 | Jackson |
| Lakeside Daisy State Nature Preserve | 19.09 | Ottawa |
| Lash's Bog State Nature Preserve | 59.543 | Stark |
| Lawrence Woods State Nature Preserve | 1034.93 | Hardin |
| Little Rocky Hollow Nature Preserve | 259.04 | Hocking |
| Mantua Bog State Nature Preserve | 104.81 | Portage |
| Marsh Wetlands State Nature Preserve | 152.28 | Portage |
| William C. McCoy State Nature Preserve | 193.65 | Ashtabula |
| McCracken Fen State Nature Preserve | 93.62 | Logan |
| Mentor Marsh Nature Preserve | 672.85 | Lake |
| Milford Center Railroad Prairie | 9.4 | Union |
| Eugene & Henrietta Miller Nature Sanctuary | 86.02 | Highland |
| Morris Woods State Nature Preserve | 107.21 | Licking |
| Mud Lake Bog State Nature Preserve | 74.01 | Williams |
| Myersville Fen State Nature Preserve | 27.24 | Summit |
| Newberry Wildlife Sanctuary State Nature Preserve | 50.03 | Hamilton |
| Kelleys Island North Pond State Nature Preserve | 50.79 | Erie |
| North Shore Alvar State Nature Preserve | 2.08 | Erie |
| Blanche Katharine Novak Audubon Wildlife Sanctuary State Nature Preserve | 149 | Portage |
| Old Woman Creek State Nature Preserve | 570.81 | Erie |
| Augusta - Anne Olsen State Nature Preserve | 132.13 | Huron |
| David B. Owens Fen State Nature Preserve | 18.59 | Logan |
| Pallister State Nature Preserve | 103.5563 | Ashtabula |
| Pickerington Ponds Nature Preserve | 405.98 | Franklin |
| Portage Lakes Wetlands | 5.86 | Summit |
| Prairie Road Fen State Nature Preserve | 94.49 | Clark |
| Raven Rock Nature Preserve | 95.27 | Scioto |
| Rhododendron Cover State Nature Preserve | 74.98 | Fairfield |
| Kleimaier Rododendron Hollow | 31.59 | Fairfield |
| Wahkeena State Nature Preserve | 68.271 | Fairfield |
| Dale and Jackie Riddle State Nature Preserve | 105.66 | Athens |
| Rockbridge State Nature Preserve | 181.03 | Hocking |
| Etawah Woods Nature Preserve | 1166.652 | Highland |
| Rome State Nature Preserve | 104.842 | Ashtabula |
| Rothenbuhler Woods Nature Preserve | 44.33 | Monroe |
| Saltpetre Cave Nature Preserve | 14.249 | Hocking |
| Scioto Brush Creek | 30.2 | Scioto |
| Paul B. Sears Woods State Nature Preserve | 137.25 | Crawford |
| Seymour Woods | 106 | Delaware |
| Shallenberger Nature Preserve | 87.57 | Fairfield |
| Sharon Woods Gorge State Nature Preserve | 20.86 | Hamilton |
| Sheepskin Hollow State Nature Preserve | 453.176 | Columbiana |
| Sheick Hollow Nature Preserve | 151 | Hocking |
| Sheldon's Marsh State Nature Preserve | 472.48 | Erie |
| Shoemaker State Nature Preserve | 22.394 | Adams |
| Siegenthaler - Kaestner Esker State Nature Preserve | 36.88 | Champaign |
| Smith Cemetery State Nature Preserve | 0.63 | Madison |
| Spring Beauty Dell State Nature Preserve | 41.26 | Hamilton |
| Spring Brook Sanctuary State Nature Preserve | 31.737 | Geauga |
| Springville Marsh Nature Preserve | 201.37 | Seneca |
| Stages Pond Nature Preserve | 177.99 | Pickaway |
| Strait Creek Prairie Bluff Prairie Preserve | 136.96 | Adams, Pike |
| Stratford Woods State Nature Preserve | 95.1 | Delaware |
| Swamp Cottonwood | 20.52 | Medina |
| Edward S. Thomas Scenic Nature Preserve | 319.88 | Franklin |
| Tinkers Creek State Nature Preserve | 786 | Portage, Summit |
| Travertine Fen State Nature Preserve | 21.88 | Greene |
| Triangle Lake Bog | 61.13 | Portage |
| Trillium Trails State Nature Preserve | 22.91 | Hamilton |
| Walter A. Tucker Scenic Nature Preserve | 54.67 | Fairfield |
| Charles A. Tummonds Scenic River Preserve | 85.67 | Portage |
| Wardner - Perkins State Nature Preserve | 25.66 | Hamilton |
| Robert A. Whipple State Nature Preserve | 269.671 | Adams |
| White Pine Bog Forest Nature Preserve | 375.87 | Geauga |
| Zimmerman Prairie | 3.48 | Greene |