Natural Attractions › Caves
Onyx Mountain Caverns
Beautiful Onyx formations, huge dripstone formations, guided tours, woodland Indian cultural information, underground river, gift shop and rock shop. On the National Register of Historic Places.
Plan Your Visit
Getting There & Details
- Admission
- Adults, $7.75; Children 5-12, $3.75
- Hours
- Year round
- Address
- 14705 PD 8541
- Phone
- 573-762-3341
- Map
- Get Directions →
Handicapped Accessible.
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