The target room inside Jewel Cave.
Photo: NPS Staff Photo
About
Immerse yourself in one of the longest caves in the world. With over 220 miles of mapped and surveyed passages, this underground wilderness appeals to human curiosity. Its splendor is revealed through fragile formations and glimpses of brilliant color. Its maze of passages lures explorers, and its scientific wealth remains a mystery. This resource is truly a jewel in the National Park Service.
Location
11149 U.S. Hwy. 16
Building B12
Custer, SD 57730
Hours
wednesday8:30AM - 4:30PM
monday8:30AM - 4:30PM
thursday8:30AM - 4:30PM
sundayClosed
tuesday8:30AM - 4:30PM
friday8:30AM - 4:30PM
saturday8:30AM - 4:30PM
Activities
CavingGuided ToursHikingJunior Ranger ProgramSnowshoeingWildlife WatchingBirdwatchingPark FilmShoppingBookstore and Park Store
Directions
By car: Jewel Cave National Monument is located 13 miles west of Custer, South Dakota and 24 miles east of Newcastle, Wyoming on U.S. Highway 16. The monument is about 54 miles from Rapid City, South Dakota via U.S. Highway 16 / 385. By plane: The nearest major airport, Rapid City Regional Airport, is 63 miles away.
Get directions →Weather
Weather in the Black Hills varies significantly throughout the year and may be drastically different from the northern hills to the southern hills. The temperatures listed are for average lows to average highs in the location of Custer, South Dakota. Spring ~ Temp. Range of 29°F to 53°F / Summer ~ Temp. Range of 54°F to 80°F / Fall ~ Temp. Range of 33°F to 58°F / Winter ~ Temp. Range of 14°F to 37°F The yearly average rain is 19 in., with May being the wettest month. The yearly average snow is 48 in.