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Seneca Caverns


Seneca Caverns in Bellevue, Ohio is one of area's largest underground caverns, and one of America's most fascinating geological wonders.


Preserved close to it's original natural state, Seneca Caverns is a unique and educational adventure which you will always remember.

Gem Mining, Clean Shaded Picnic Area, & Gift Shop

The fascinating walking tour through this unique cavern leads you through seven rooms or levels (depending on water level). The largest room is 250 feet in length. At the lowest level, which is 110 feet below the surface, visitors will view "Ole Mist'ry River," the crystal clear flowing stream which is part of the vast ground-water system which underlies the surrounds region.