+A drainage divide, or watershed boundary, is the elevated ridge that separates adjacent [Drainage Basin](/wiki/drainage_basin)s. Water falling on one side flows to a distinct [River System](/wiki/river_system), while on the other, it feeds a different one.
+## See also
+- [Watershed](/wiki/watershed)
+- [Continental Divide](/wiki/continental_divide)
+- [Hydrology](/wiki/hydrology)
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