What you get
About Hidden River Cave & American Cave Museum
Hidden River Cave near Mammoth Cave National Park offers guided cave tours featuring two subterranean rivers and the world's longest underground swinging bridge. Visitors explore Sunset Dome, one of the largest free-standing cave domes in the United States. The adjoining American Cave Museum features free admission with interactive exhibits on cave geology, archaeology, and wildlife.
Plan your visit
- Admission
- Free admission · as of September 2026 — verify on the operator’s site