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Below is a complete listing of all Ohio Historical Markers. To find a detailed marker listing including text, photographs, and locations, click on a county below. Our listing is updated by the markers program as new markers are installed and older markers are reported damaged or missing.

5-37 Old Man’s Cave – A Feature of Ohio’s Geology

Side A: This recess cave was named for the “old man” Richard Rowe, a recluse who made the cave his home in the 1800s and is a part of scenic Hocking Hills State Park. Hocking comes from the Wyandot Indian word “hockinghocking,” referring to the Hocking River’s bottle-shaped gorge near Lancaster. Streams and percolating groundwater carved the hollows and caves in this area from layers of sandstone bedrock that vary in hardness. The hollow’s moist, cool climate preserves more typically northern tree species such as eastern hemlock trees and Canada yew, which have persisted since the glaciers retreated 15,000 years ago.
Side B: Same
Sponsors: The Ohio Bicentennial Commission, Ohio Department of Natural Resources, The International Paper Company Foundation, and The Ohio Historical Society
Address: Hocking Hills State Park, 20160 State Route 664, 
Logan, 
OH, 
43138
Location: Located SW of Visitor Center at stairs leading to Old Man’s Cave
Latitude: 39.4337380
Longitude: -82.5416120