Upper river
The Sacramento River originates in the mountains and plateaus of far northern California as three major waterways that flow into See more

By geologic standards, the Sacramento is a fairly young river; the borders of its watershed began to form only a few million years ago as magma welling up below the Earth's crust pushed up by the Pacific Plate colliding with the North American Plate caused … See more

From the late 19th century through the 20th century, California experienced an economic boom that led to the rapid expansion of both … See more

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The Sacramento River's watershed is the largest entirely in California, covering much of the northern part of the state. The endorheic See more

Native Americans
The Sacramento River and its valley were one of the major Native American population centers … See more

The Sacramento River and its drainage basin once supported extensive riparian habitat and marshes, in both the Sacramento Valley … See more