Devil's Hole
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- For the cave in Quebec, see Trou du Diable, french name translated as Devil's Hole
Devil's Hole is a deep limestone cave filled with water of approximately 30°C (86°F). This geothermal spring is officially part of Death Valley National Park and located in the Ash Meadows Wildlife Refuge in Nevada. Devil's Hole branches into deep caverns at least 300 feet deep from an opening at the surface that is approximately 6 feet by 18 feet. According to geologists, the caves were formed over 500,000 years ago[1]. Devil's Hole is the only natural habitat of the Devil's Hole pupfish, which thrives in the hot water.