The nearest major airport is 54 miles away in Rapid City, South Dakota.
Jewel Cave National Monument is located thirteen miles west of Custer, South Dakota and 24 miles east of Newcastle, Wyoming on U.S. Highway 16. The Monument is about 53 miles from Rapid City, South Dakota via U.S. Highway 16 / 385.
594270, 4842528 (UTM NAD 83)
Latitude / Longitude:
43 43' 46.6153" N
103 49' 46.6522" W
Did You Know?
The “jewels” of Jewel Cave are calcite spar crystals. Calcite, which is about as hard as your fingernail, is too soft to be considered a true jewel.