Is Wind Cave the biggest cave in the world?

Wind Cave is the seventh longest cave in the world with 154.2 miles (248.16 km) of explored cave passageways (as of 2021) and the third longest cave in the United States. Above ground, the park includes the largest remaining natural mixed grass prairie in the United States.



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The cave is well known for its outstanding display of boxwork, an unusual cave formation composed of thin calcite fins resembling honeycombs. The park's mixed-grass prairie is one of the few remaining and is home to native wildlife such as bison, elk, pronghorn, mule deer, coyotes, and prairie dogs.

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At more than 200 miles in length, Jewel Cave is currently the fifth longest cave in the world.

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Groundwater is an important resource for the park and, in particular, for Wind Cave. Groundwater drips from the ceiling of the cave at numerous locations and exists in ponds, lakes, and streams on the cave floor.

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The sound led them to a small hole in the ground, the cave's only natural opening. A wind was said to blow with such force out of the hole that it knocked Jesse's hat off. That wind, which gave the cave its name, is created by differences between atmospheric pressures in the cave and outside.

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For Kids. Ranger guided cave tours, nature trails, and campfire programs are just some of the ways for kids and families to enjoy Wind Cave. Complete the activity book, learn about the park, and take the pledge to earn a Junior Ranger badge.

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For the wildlife watching enthusiast, Wind Cave is an excellent destination. You are likely to see bison, elk, pronghorn, coyote, mule deer, prairie dogs and several species of hawks. Wild turkeys also roam the park landscape. Elk, bison and pronghorn were reintroduced in 1911, and are now flourishing in Wind Cave.

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