Caution - Roadwork on Highway 16
Construction projects both along highway 16 and the Jewel Cave parking lot are in progress. The Jewel Cave Visitor Center is open daily from 8:30 a.m. to 4:30 p.m. with tours scheduled throughout the day. No reservations for cave tours.
Highway 16 construction near Jewel Cave entrance
Construction of Highway 16 through Jewel Cave National Monument is progressing on schedule. Motorists should use caution while traveling through the construction zone. Visitors to Jewel Cave should plan extra travel time and come early in the day. More »
The parking lot at Jewel Cave takes shape
Jewel Cave's parking lot project is on schedule for completion this fall. The stairs and wheelchair ramp to the visitor center are under construction. Signage along a service road and staff assistance will help guide visitors to the visitor center. 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.