Rubicon River (California)

The Rubicon River is a major tributary of the Middle Fork American River in the Sierra Nevada of Northern California, west of Lake Tahoe. Its length is 60 miles (97 km) with a watershed of about 184 square miles (477 km²). The river's headwaters are in the Crystal Range of the Sierra Nevada, within the Eldorado National Forest's Desolation Wilderness. Historically, the Rubicon River was known as the South Fork of the Middle Fork of the American River.