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Wyandotte Caves

State Recreation Area - Indiana, United States

A 1,174-acre property featuring one of the world's largest underground mountains with over nine miles of caverns. Sold to Indiana DNR in 1966 and designated a National Natural Landmark in 1972. Managed by O'Bannon Woods State Park within Harrison-Crawford State Forest near the Ohio River.

Location:
38.22812, -86.29609
Area:
4.75 km²
Established:
1966

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