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Sand Cave, Mammoth Cave

#46 of 61 in Nature in Kentucky
Mammoth Cave National Park is a U.S. national park in central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. Since the 1972 unification of Mammoth Cave with the even-longer system under Flint Ridge to the north, the official name of the system has been the Mammoth-Flint Ridge Cave System. The park was established as a national park on July 1, 1941. It became a World Heritage Site on October 27, 1981, and an international Biosphere Reserve on September 26, 1990.
The park's 52,830acre are located primarily in Edmonson County, with small areas extending eastward into Hart County and Barren County. It is centered on the Green River, with a tributary, the Nolin River, feeding into the Green just inside the park. With of surveyed passageways Mammoth Cave is by far the world's longest known cave system, being nearly twice as long as the second-longest cave system, Mexico's Sac Actun underwater cave.
Mammoth Cave developed in thick Mississippian-aged limestone strata capped by a layer of sandstone, making the system remarkably stable. It is known to include more than of passageway; new discoveries and connections add several miles to this figure each year. Mammoth Cave National Park was established to preserve the cave system.
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Sand Cave Reviews
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TripAdvisor Traveler Rating 4.5
15 reviews
  • Brief short walk about 0.5 mile on a boardwalk. Not much to see at the end, just a view of a small cave.  more »
  • At one of the main entrances, you’ll find a small parking area to stop and check out Sand Cave. Although it is closed to tours, the history of the cave is interesting and a great way to get an introdu...  more »
  • Interesting to see where floyd collins got trapped. Wish the view of the cave was a bit better
  • It's beautiful year around. And there is a lot of history there. William Floyd Collins was trapped under ground there in the early 1900's the family removed his body And gave him a proper burial.

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