+The Sacramento River is the longest river entirely within California, flowing from the [Klamath Mountains](/wiki/klamath_mountains) through the [Sacramento Valley](/wiki/sacramento_valley) to the San Francisco Bay. It is a vital artery for the state's agriculture, ecology, and water supply.
+## See also
+- [California](/wiki/california)
+- [River](/wiki/river)
+- [Delta](/wiki/delta)
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