Underground lake

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Subterranean isle on one of the 22 lakes in the Cross Cave in Slovenia

An underground lake or a subterranean lake is a lake under the surface of the Earth. Such a lake may be associated with caves, aquifers, or springs. They are typically very low in salinity.

The largest non-subglacial underground lake in the world is Dragon's Breath Cave, Namibia, with an area of almost 2 hectares (5 acres)[1] and the second largest is Craighead Caverns in Tennessee, United States of America.


  1. "Dragon's Breath, Namibia". National Geographic. Retrieved 28 August 2012.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

See also

External links

Media related to Underground lakes at Wikimedia Commons