Jewel Cave

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Thu Bui

Rounding out our list of the most beautiful caves in the United States is Jewel Cave. It is the centerpiece of the Jewel Cave National Monument, which was established in 1908 and is located in the Black Hills of South Dakota, roughly 13 miles from the city of Custer. The cave is the third-longest known cave in the world, after Kentucky's Mammoth Cave system and Mexico's Sistema Sac Actun, with 192 miles of mapped corridors, albeit only around 5% of the cave's volume has been discovered.


Since 1939, guided tours of the cave have been given, with three tours accessible: a picturesque half-mile illuminated loop tour, a historic candlelight tour, and a wild caving tour via the cave's less developed areas.


Location: 11149 US-16 B-12, Custer, SD 57730

Phone: 605-673-8300

Photo: National Park Service
Photo: National Park Service
Photo: iStock
Photo: iStock

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