Minnetonka Cave near St. Charles is Idaho’s largest developed limestone cave, with guided tours through chambers filled with stalactites, stalagmites, flowstone, and other underground formations.
Amenities & Features
- 🪨 Large limestone cave
- 🚶 Guided underground tours
- 💧 Stalactites and stalagmites
- 🎓 Geology education
- 🌲 Caribou-Targhee National Forest setting
Good to Know
Tours are seasonal from around Memorial Day through Labor Day and involve hundreds of stairs. Check in at the lower ticket booth well before your reserved tour time.
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