John Bryan State Park 
3790 State Route 370
Yellow Springs, OH 45387
937-767-1274
https://ohiodnr.gov/wps/portal/gov/odnr/go-and-do/plan-a-visit/find-a-property/john-bryan-state-park
State Park: Birding, Camp, Fish, Hike, Picnic, Walk, Water Sports
The most scenic state park in western Ohio. The park contains a remarkable limestone gorge cut by the Little Miami River which is designated as a state and national scenic river. A portion of the gorge itself is designated as a national natural landmark.