One of Indiana's premier show caves and a National Natural Landmark, discovered by two children in 1883. Lighted walking tours — the Crystal Palace and the Dripstone Trail — wind past flowstone, soda straws, draperies, and still reflecting pools. Fully developed and family-friendly.
- Type
- Show cave
- Orientation
- Horizontal
- Passage
- Spacious
- County
- Crawford County
Location
Entrance
Commercial entrance at the Marengo Cave park; tours depart from the visitor center.
Hazards
- Developed, lighted walkways with some stairs
- Cool and damp — bring a layer
Gear
None needed — it's a guided tour. Wear closed-toe shoes and bring a light layer; caves stay around 52°F year-round.
Geology
Mississippian limestone with abundant dripstone and flowstone formations.
Access
Open year-round for guided tours; admission fee. See marengocave.com for hours.
- OwnershipShow-cave
- Permit requiredNo
- Permission requiredNo
Conservation
Indiana caves are bat habitat; show caves follow white-nose-syndrome (WNS) decontamination protocols. Don't touch formations and stay on the tour path.
More caves in Crawford County
Caving responsibly
Most wild caves are reached through the local caving community, not by showing up — joining a grotto gets you training, gear advice, a conservation ethic, and, in time, cave locations.
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