Minnetonka Cave is open seven days a week, mid-June through Labor Day, from 10 a.m. to 5:30 p.m. Ninety-minute tours depart every 30 minutes, with the last one leaving at 5:30 p.m.
Prices are $4 for adults age 16 and up; $3 for ages 6-15, and under age 6 are free. Senior citizen tickets are $2.To reach the cave, enter Bear Lake Valley by either Highway 89 from Logan or state roads 16/30 from Evanston. The road to the cave is off Highway 89, just north of Fish Haven and St. Charles. The last two miles of the road are steep switchbacks with a six percent grade.
There are also three U.S. Forest Service campgrounds in St. Charles Canyon - St. Charles, Porcupine and Clover Leaf.
For more information, call the cave operator, Transtrum Enterprises, at 208-945-2407. The Montpelier Ranger District can be reached at (208) 847-0375.