Ash Cave

Ash Cave is Ohio's largest recess cave: a horseshoe-shaped sandstone amphitheater nearly 700 feet wide, set at the end of a short, wooded gorge. The broad overhang and sandy floor make this a standout stop even if you're here for only about half an hour. The separate rim trail adds a climb and a different angle above the cave.

The gorge approach is about a quarter mile and is rated easy and wheelchair accessible. The rim trail is separate and moderate. Visitors report different experiences on the return, including stairs and rough, sandy stretches, so don't assume the whole cave-and-rim outing is step-free. If accessible travel matters, check the route before branching onto the rim.

The cave is carved into Black Hand Sandstone, rock laid down more than 350 million years ago. Its softer middle layer eroded faster than the harder layers above and below, leaving the enormous recess and the gorge around it.

Settlers named the cave for a huge ash deposit found inside: roughly 100 feet long, 30 feet wide and three feet deep. Its origin is still uncertain. Long-accumulated campfires, ceremonial use and saltpeter making have all been suggested, but none is settled as the explanation.

Archaeological finds connect the cave with Adena people, who used it between about 500 BCE and 100 CE; pottery, tools, corn cobs and animal bones have been found here. Much later, the shelter's acoustics made it a gathering place for community events and church services. A rock at the entrance, Pulpit Rock, served as the preacher's stand.

The parking area has restrooms, picnic tables and park shelters, making this an easy place to pair a short walk with a meal. Bring your own food; a concession isn't listed for the cave.