Devils Hole is a geothermal pool within a limestone cavern in the Amargosa Desert in the Amargosa Valley of Nevada, east over the Amargosa Range and Funeral Mountains from Death Valley. Its waters are a near constant salinity and temperature (92 °F or 33 °C).
Devils Hole branches into deep caverns at least 300 feet (91 m) deep from an opening at the surface that is approximately 6 by 18 feet (1.8 by 5.5 m). According to geologists, the caves were formed over 500,000 years ago. The pool has frequently experienced activity due to far away earthquakes, which have been likened to extremely small scale tsunamis.
Devils Hole is the only natural habitat of the Devils Hole pupfish, which thrives despite the hot, oxygen-poor water. It is an IUCN Red List endangered species. The enclosing cave is occasionally used as a roost for barn owls, which tend to increase diatom growth via guano.
- Devils Hole. National Park Service http://www.nps.gov/deva/naturescience/devils-hole.htm. Retrieved 28 January 2014. Missing or empty
- Landwehr, J. M.; I. J. Winograd (2012-03-01). Devils Hole, Nevada - A Primer : U.S. Geological Survey Fact Sheet 2012-3021 (PDF). U.S. Geological Survey. Retrieved 2013-01-17.
- Landwehr, J.M. and Winograd, I.J., 2012, Devils Hole, Nevada—A Primer: U.S. Geological Survey Fact Sheet 2012–3021, 6 p., available online at http://pubs.usgs.gov/fs/2012/3021.
- "Devils Hole". Geographic Names Information System. United States Geological Survey. Retrieved 2009-08-10.
- The Southwestern Naturalist: "Pupfish Populations"
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