Geology nerds will tell you that Ash Cave is the largest recess cave east of the Mississippi River. Every other visitor will confirm this fact by standing in absolute awe, necks craned to the sky, trying to take in the 700-foot rim and towering height of the most striking feature in Hocking Hills State Park.

Geology nerds will tell you that Ash Cave is the largest recess cave east of the Mississippi River. Every other visitor will confirm this fact by standing in absolute awe, necks craned to the sky, trying to take in the 700-foot rim and towering height of the most striking feature in Hocking Hills State Park.

This Saturday evening, during the annual Sweethearts Hike, lovers old and new will walk a short trail to the cave. There they'll find a bonfire, refreshments and the perfect chance to kindle a bit of plein-air passion.