Ramser Arboretum (680 acres) is an arboretum at the intersection of Ohio State Route 3 and Ohio State Route 205 in Danville, Ohio. Although privately owned, the arboretum is open to the public year-round except for deer-hunting season.
The arboretum contains native woodland, planted hardwood, and agricultural land, with six miles (10 km) of hiking trails on hilly terrain.
Website: http://www.ramserarbor.org/