Jewel Cave National Monument 38 mi
A national monument protecting a cave with over 220 miles of known passages, the fifth longest in the world, seen only on guided tours.
Custer, SD, 49°F inside, from $16
5 show caves with public tours within 150 miles of Rapid City. The closest is Black Hills Caverns, about 6 miles away, and 5 are within 60 miles.
Distances are straight-line miles from downtown Rapid City; driving takes longer. Tour details checked 2026-10-22 against each cave's own site.
A cave on Highway 44 west of Rapid City with a one-hour tour of all three levels or a half-hour Crystal Tour.
Rapid City, SD, from $21.50
A cave 5 miles east of Keystone at Rush Mountain Adventure Park, with a one-hour guided walking tour at 58°F and a belly-crawling spelunking tour.
Keystone, SD, 58°F inside
A seasonal show cave near Nemo in the Black Hills, open in summer, staying 47°F inside.
Nemo, SD, 47°F inside, from $22
A national park cave known for its boxwork formations, seen only on ranger-guided tours that start at the visitor center.
Hot Springs, SD, from $16
A national monument protecting a cave with over 220 miles of known passages, the fifth longest in the world, seen only on guided tours.
Custer, SD, 49°F inside, from $16