Region
Ohio
96
Cuyahoga Valley National Park (Ohio)
23
Wayne National Forest
22
Wayne National Forest (Ohio)
21
Cuyahoga Valley National Park
20
Kentucky
8
Indiana
6
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
4
Chesapeake and Ohio Canal Region (Md. and Washington, D.C.)
4
Ohio County
4
Lucas County
3
Michigan
3
Ontario
3
Buckeye Trail (Ohio)
2
Butler County
2
Champaign County
2
Clark County
2
Darke County
2
Dayton
2
Greene County
2
Lockport Group
2
Montgomery County
2
Muhlenberg County
2
Preble County
2
Sandusky County
2
Wood County
2
Wright-Patterson Air Force Base (Ohio)
2
Wright-Patterson Air Force Base Region
2
Alum Creek Lake
1
Alum Creek Lake (Ohio)
1
Athens District (Ohio)
1
Boone County (Ky.)
1
Campbell County
1
Clermont County
1
Cleveland (Ohio)
1
Columbus Region
1
Cuyahoga County (Ohio)
1
Dearborn County (Ind.)
1
Fort Wayne
1
Hanging Rock Iron Region
1
Hanging Rock Iron Region (Ohio)
1
Lawrenceburg (Ind.)
1
McLean County
1
Miami River Watershed
1
Monroe County
1
Ohio County (Ind.)
1
Ohio River Valley
1
Perry's Victory and International Peace Memorial (Put-in-Bay, Ohio)
1
Saint Marys River (Ohio and Ind.)
1
Shaker Heights (Ohio)
1
more ...