Marengo Cave
A cave in Marengo, Indiana with two easy walking tours, the 40-minute Crystal Palace and the 60-minute Dripstone Trail, at 52°F.
Marengo, IN, 52°F inside, from $22.95
6 caves in Indiana run public tours. Here is what each one is like and how to visit.
Updated 2026-10-22. 5 of 6 checked in full against official sources.
A cave in Marengo, Indiana with two easy walking tours, the 40-minute Crystal Palace and the 60-minute Dripstone Trail, at 52°F.
Marengo, IN, 52°F inside, from $22.95
A cave near Corydon with year-round guided tours that go about 110 feet down and include an underground boat ride, at around 56°F.
Corydon, IN, 56°F inside
A cave in Mauckport, Indiana with one-hour guided tours, running seven days a week for most of the year.
Mauckport, IN, 54°F inside, from $27.00
A one-hour tour by electric boat along an underground river 5 miles southwest of Bedford, covering 1.25 miles on the water.
Bedford, IN, 53°F inside, from $26
Caves in an Indiana state park: a $3 summer boat tour into Twin Caves, and the dry side of Donaldson Cave that you can explore on your own from Trail 4.
Mitchell, IN, from $3
We're still confirming the visitor details for these. Their official sites have current prices and hours.
Privately operated
| Cave | Inside | Adult ticket | Run by |
|---|---|---|---|
| Marengo Cave | 52°F | $22.95 | Privately operated |
| Indiana Caverns | 56°F | not yet checked | Privately operated |
| Squire Boone Caverns | 54°F | $27.00 | Privately operated |
| Bluespring Caverns | 53°F | $26 | Privately operated |
| Wyandotte Caves | not yet checked | not yet checked | Privately operated |
| Spring Mill State Park Caves | not yet checked | $3 | State park |
6 show caves run 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.