A map showing the American River
|Basin countries||United States|
|Avg. discharge||104 m3/s|
|Basin area||5,568 km2|
The American River is a river in northern California in the United States. It is a tributary of the Sacramento River. The river starts in the Sierra Nevada and flows west through the city of Sacramento. The river is 50 km long with a watershed of 5,600 square kilometres (2,200 sq mi).