Jewel Cave National Monument
With a name derived from the crystals that line its walls, Jewel Cave National Monument is even more significant as the third-longest cave in the world. Features of this South Dakota treasure include a variety of cave tours below the forest and a 1,279-acre park with nature trails above ground.
Enjoy a healthy stroll along the 1/4-mile Roof Trail (an easily-accessible trail near the visitor center that features picnic tables and benches) and the 3.5-mile Canyons Trail, which goes through Lithograph and Hell Canyons before winding back to the visitor center parking lot. View recently reintroduced Bighorn Sheep in the Historic Area.
During the summer, the visitor center, store, restrooms, surface trails and picnic areas are open daily from 8 a.m. to 5 p.m. The Historic Area is open daily from 9 a.m. to 4:30 p.m. Times are subject to change, so please plan accordingly. Advance cave tour reservations are available on Recreation.gov and are strongly recommended.
NOTE: Masks are required for everyone at Jewel Cave, including the at the visitor center and on cave tours, regardless of vaccination status. See the Jewel Cave website for the most current information.
For additional visitor enjoyment, the monument released a series of interpretive podcasts via the official Jewel Cave Facebook page and the National Park Service's YouTube channel. Below you’ll find more trip planning tools & frequently asked visitor questions to help you plan your next great adventure to Jewel Cave National Monument!
The “jewels” of Jewel Cave include calcite crystals known as nailhead spar and dogtooth spar, along with formations of boxwork, cave popcorn, flowstone and a long ribbon drapery known as "cave bacon."
Make your reservations — we recommend getting them as early as possible — to experience the world's third-longest cave. You can choose your level of underground expedition, from the 20-min and handicap-accessible Discovery Talk to the intense exploration of the Wild Caving Tour.
Check out the popular Historic Lantern tour, a classic summer experience where provided lanterns light the way as you explore the cave just like people did nearly 100 ago. Enter the cave via the historic entrance on an unpaved trail led by a park ranger dressed in a 1930s-style uniform who will guide you along this 1-hour-and-45-minute tour.
With more than 200 miles of surveyed passages, explorers are still discovering and mapping one of the last frontiers in the world.
The wonder of nature doesn't just show below ground at Jewel Cave. With 1,274 above-ground acres of Black Hills forest and open prairie, park visitors won't want to miss the chance to stop and smell the diverse array of wildflowers. Species range from the elusive Pasqueflower, South Dakota's state flower that blooms March into May — to blooms of irises, lilies, and verbena coming later and displaying through the summer.
Needing to pass time before your tour? Jewel Cave's above-ground acreage includes two self-guided hikes and also one Black Hills National Forest trail. The trails provide amazing views of the surrounding Hell Canyon-area and a chance to see how the above-ground terrain helped form the wonder below.
The cave's location incorporates Black Hills pine forest and open meadows, prime for a variety of birds to either call the area home or visit during migration.
Frequently Asked Questions
What is the tour information for Jewel Cave National Monument?
Ranger-guided tours are required to enter Jewel Cave, and the various tours are offered at scheduled times, which vary by season. Throughout the year, cave tours often book in advance. For this reason, visitors are encouraged to make advanced tour reservations through Recreation.gov.
In the summer months, if available, some tickets for Historic Lantern Tours, some Discovery Tours, and some Scenic Tours are sold on-site, in person, and on a first-come, first-served basis. Please be advised that all cave tour tickets are limited by tour type and time. If walk-up tickets are available, they often sell out by late morning. Availability of walk-up tickets is not guaranteed.
What is the closest airport to Jewel Cave National Monument?
Rapid City Regional Airport (RAP) is the closest major airport, located just 62 miles from Jewel Cave National Monument and a convenient drive to numerous park overlooks. Allegiant, American Airlines, Delta, United and Boutique Air all fly into and out of the airport in Rapid City.
What is the driving distance to nearby U.S. cities from Jewel Cave National Monument?
Rapid City (61 miles away) is the closest metro area to Jewel Cave National Monument. Casper, Wyoming, is 188 miles away; Gillette, Wyoming, is 101 miles away; Denver is 340 miles from the park while Minneapolis is 626 miles away.
What is the best time of year to visit Jewel Cave National Monument?
The summer months are the most popular for visitors to the Black Hills region. Temperatures can get quite warm, so pack sunscreen and dress appropriately for your visit. The spring and fall months are especially beautiful as well.
What are the busiest times of week to visit Jewel Cave National Monument?
Starting in spring 2022, Jewel Cave Historic Area will be open to the public after renovations to an elevator that descends into the cave. Summer season tends to be busier, but more tour options are likely to be available. Winter is much less busy, but there may be fewer tours available. In the off-season, the visitor center and other areas are open Wednesday through Saturday, 8:30 a.m. to 4:30 p.m.
What is the climate, geographic information and history of Jewel Cave National Monument?
Warm temperatures in the summer reach around 80 degrees F, while the cool winter months can get as chilly as 16 degrees F. Keep an eye on the forecast for winter snowstorms and heavy spring rains.
Jewel Cave National Monument is located in the rugged Black Hills, an area dominated by pine forests, grasslands and rocky outcrops. Jewel Cave itself is a geological marvel, spanning more than 200 miles underground with a dizzying array of rock formations and calcite crystal overhangs.
The park’s history dates to its discovery in 1900 by two brothers who were more interested in mining than cave-exploring, though they eventually turned Jewel Cave into a tourist site. Jewel Cave National Monument was established in 1908, and ranger-led cave tours began in the 1930s. Exploration of the cave continues today.
An underground wilderness sparkling with brilliant color.
11149 US Highway 16, Bldg. B12
Custer, SD57730
United States
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