A huge, mostly dry limestone cave system with large canyon-like rooms, narrow passages and some dripstone formations, plus a long history told by rangers. Visits run on ranger-led walking tours of varying length and difficulty, with one short self-guided route.
Highlights
- Fat Man's Misery passage
- Frozen Niagara dripstones
- Lantern-lit history tours
Good to know
- Book tickets early, tours sell out
- Cave stays around 52–54°F all year
- Many stairs, Historic Tour about two hours
