Custer, SD 57730
At 139 miles, Jewel Cave is the second longest cave in the world. It is filled with calcite crystals and other wonders that make up the "jewels" of Jewel Cave National Monument. The cave's size keeps growing. On April 21, 2007 explorers spent 16 hours underground and discovered 739.10 feet of cave passages.
Hours + Fees
The Jewel Cave National Monument Visitor Center is open daily except Thanksgiving Day, December 25, and January 1.
Cave Tour tickets are available first come, first served at the Visitor Center. Tickets can also be purchased up to seven days in advance by calling 1-605-673-2288 between 8:00 am - 4:00 pm. Cave Tours and Talks can sell out at any time of the year. Tours require a minimum of 2 participants.
Scenic Tours do sell out at this time of year. Visitors are encouraged to call ahead for tour availability.
ALL TOUR TIMES ARE SUBJECT TO CHANGE
Map + Directions
The main Visitor Center and cave entrance is thirteen miles west of Custer, South Dakota on RT 16, 24 miles east of Newcastle, Wyoming on RT 16 and 54 miles from Rapid City, South Dakota via RT 16 & 16 - 385.