+Subterranean lakes are hidden bodies of fresh or saltwater found beneath the Earth's surface, often within [Cave](/wiki/cave) systems. These dark, isolated aquatic worlds can harbor unique [Ecology](/wiki/ecology) adapted to perpetual darkness, fed by [Groundwater](/wiki/groundwater) or subterranean rivers.
+## See also
+- [Aquifer](/wiki/aquifer)
+- [Hydrology](/wiki/hydrology)
+- [Karst](/wiki/karst)
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