Wind Cave Boxwork
Wind Cave National Park Visitor Center, 26611 US-385, Hot Springs, SD
Hot Springs, SD
One of the world's longest caves, holding most of the planet's known boxwork, hidden beneath a Black Hills prairie roamed by bison and elk.
Wind Cave is one of those places where the real wonder is out of sight. Beneath a rolling prairie at the southern edge of the Black Hills lies one of the longest and oldest caves on Earth, a dense three-dimensional maze of passages packed into a surprisingly small footprint. It takes its name from the wind that rushes in and out of its natural opening as air pressure shifts, a breathing hole the Lakota knew long before it was mapped.
What sets Wind Cave apart underground is boxwork, thin blades of calcite that project from the walls and ceilings in delicate honeycomb patterns. Most of the boxwork known anywhere in the world is found here. Above ground, the park protects a rare stretch of mixed-grass prairie and ponderosa forest roamed by bison, elk, and pronghorn, so a visit reaches from a sacred underground labyrinth up to open plains and back.
What Guests Love
- Boxwork, the honeycomb of thin calcite fins that Wind Cave is famous for worldwide
- A cave you enter through a natural breathing hole where wind rushes in and out
- The prairie above, alive with bison, elk, pronghorn, and prairie dog towns
- A quieter national park at the calmer southern end of the Black Hills
Worth Knowing
- The cave is seen on ranger-guided tours, so tour availability shapes an underground visit
- The cave stays cool year-round, so bring a layer even in summer
- This is sacred ground to the Lakota, who know the cave as a place of emergence; visit with respect
- Above ground, bison and elk are wild and powerful, so keep your distance and stay in your vehicle when they are near
Details
Hot Springs, SD
Learn about Wind Cave Boxwork
A place of emergence
To the Lakota, Wind Cave is not a curiosity but a sacred place, known in their tradition as the site from which the buffalo and the people themselves emerged into this world. The natural opening, where wind blows in and out with the changing weather, is central to that story, a passage between the world below and the world above.
The Black Hills, He Sapa, are sacred to the Lakota and other nations of the Oceti Sakowin, and they were taken by the United States in violation of the 1868 Fort Laramie Treaty after gold was found in the 1870s, a wrong the Lakota have never accepted. Wind Cave carries that history too, and the park today works with tribes to honor the cave's meaning. Visitors are asked to treat this emergence place with the respect it holds for the people whose homeland it is.
The breathing cave and its boxwork
The cave takes its name from the wind at its natural entrance, air that rushes in or out as the outside barometric pressure rises and falls, so strongly that early explorers described a small hole that could nearly pull a hat off. That breathing is a sign of the cave's immense volume of passages equalizing pressure with the surface.
Wind Cave's signature formation is boxwork, thin, blade-like fins of calcite that stand out from the rock in honeycomb webs, formed when calcite filled cracks in the surrounding limestone and the softer rock later dissolved away, leaving the harder veins behind. It is exceedingly rare elsewhere, but Wind Cave holds the great majority of the world's known boxwork, which is why the cave was set aside as a national park in 1903, one of the first parks anywhere created to protect a cave.
The prairie above
The world above Wind Cave is as valuable as the one below. The park protects a rare surviving patch of mixed-grass prairie meeting the ponderosa pine forest of the Black Hills, an edge habitat rich in life. Bison, brought back after the species was nearly wiped out, roam the grasslands, along with elk, pronghorn, and mule deer.
Prairie dog towns dot the flats, feeding hawks, eagles, coyotes, and the rare reintroduced black-footed ferret, and the mingling of forest and grassland draws a wide range of birds. Wildlife viewing here is unhurried and genuine, part of what makes Wind Cave a quieter, more contemplative national park than the busier Black Hills destinations to the north.
Season by season
Spring greens the prairie and brings bison calves and wildflowers, along with mild weather for exploring the surface trails before the summer crowds arrive.
Summer is the busiest season, with the widest range of cave tours running and long days on the prairie, though the cave itself stays cool no matter the heat above. Fall is a standout, with golden grass, crisp air, thin crowds, and the bugling of bull elk during the rut. Winter is cold and quiet, the prairie snow-swept and the cave holding its steady year-round temperature, with a reduced tour schedule for those who make the trip.
Closest Boutels
The closest Boutel™ stays, so you can turn this stop into an overnight. Each is an independently owned, editorially selected place to stay.
Things to Do Near Hot Springs
The Mammoth Site
About 12 miles south
An active Ice Age dig in Hot Springs, built over a sinkhole that trapped dozens of mammoths, with bones preserved in place.
Custer State Park
Just north
A large state park of granite spires and grasslands, home to a famous free-roaming bison herd and the scenic Wildlife Loop Road.
Jewel Cave National Monument
About 30 miles northwest
Another vast Black Hills cave, one of the longest in the world, known for its glittering calcite crystals.
Hot Springs
About 12 miles south
A handsome sandstone town built around warm mineral springs, a good base for the quieter southern Hills.