Seneca Caverns is one of Ohio's largest underground caverns, and one of America's most fascinating geological wonders. Retained close to its original, natural, wild state, this subterranean tour is truly a unique and educational experience you will always remember. Experts have stated that Seneca Caverns may be the only cave of its kind open for public visitation. The official designation as a Registered Natural Landmark by the Ohio Department of Natural Resources, reflects this quality!



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