Lewis and Clark Caverns State Park
Montana's state park cave, open May–September by guided tour only: a two-hour, two-mile Classic tour with over 600 stairs, or an easy, ADA-accessible Paradise tour.
Whitehall, MT, from $15
There is one show cave open to visitors in Montana: Lewis and Clark Caverns State Park.
Updated 2026-10-22. 1 of 1 checked in full against official sources.
Montana's state park cave, open May–September by guided tour only: a two-hour, two-mile Classic tour with over 600 stairs, or an easy, ADA-accessible Paradise tour.
Whitehall, MT, from $15
1 show cave runs public tours. We leave out wild caves that are closed, gated or need a permit.
Closed shoes with grip, because paths are often wet. Most caves stay between the high 40s and low 70s °F all year, so a light layer is enough.