+A [Watershed](/wiki/watershed), or [Drainage Basin](/wiki/drainage_basin), is any area of land where all precipitation and surface water drains to a common outlet, such as a river, lake, or ocean. These natural boundaries define how water flows across a landscape, connecting all land, air, and water within it.
+## See also
+- [River](/wiki/river)
+- [Lake](/wiki/lake)
+- [Hydrology](/wiki/hydrology)
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