Caution - Roadwork on Highway 16 - Expect Delays
Construction projects both along highway 16 and the Jewel Cave parking lot are planned during this summer season. The visitor center will be open daily, 8:00 a.m. – 5:30 p.m. Tours are scheduled throughout the day. No reservations for cave tours. More »
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?
When Jewel Cave was established as a National Monument in 1908, it was thought to be a small but pretty cave. It wasn’t until 1959 that explorers began to realize that Jewel Cave may be one of the longest caves in the world.