North Fork American River
The North Fork American River is the longest branch of the American River in Northern California. It is long from its source at the crest of the Sierra Nevada, near Lake Tahoe, to its mouth at Folsom Lake northeast of Sacramento. Prior to the construction of Folsom Dam the river was about longer making for a total length of .
Middle Fork American River
The Middle Fork American River is one of the three main branches of the American River in Northern California. The river flows from its headwaters in the Sierra Nevada, in a generally southwest direction, to join the North Fork American River near Auburn.