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National Monument

Jewel Cave National Monument

InformationJan 16, 2026

Visitor Center Restrooms

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InformationDec 20, 2025

Cave Tour Reservations

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The target room inside Jewel Cave.

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.

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.

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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.

News

Jewel Cave to Host Historic Dance Club Revival on September 20
Sep 15, 2025

Jewel Cave to Host Historic Dance Club Revival on September 20

Jewel Cave National Monument plans to host a free concert The Historic Dance Club Revival on Saturday, September 20th from 1:00 p.m. to 5:00 p.m. outside in the monument’s Historic Area.

Jewel Cave to Host 5K on Saturday, September 13
Sep 5, 2025

Jewel Cave to Host 5K on Saturday, September 13

Jewel Cave National Monument is planning to host its first ever “Fly Through the Canyons” 5K trail run and walk on Saturday, September 13. The general public is invited to join this free 5K event to honor Active-Duty Military, Reserve, Veterans, and their families.