The main stem Feather River begins at the outlet of Oroville Dam's hydroelectric plant, which forms Lake Oroville, a reservoir where its four long tributary forks join together--the South Fork, Middle Fork, North Fork, and West Branch Feather Rivers.
The main stem Feather River begins at the outlet of Oroville Dam's hydroelectric plant. The Oroville Dam forms Lake Oroville, a reservoir where its four long tributary forks join together--the South Fork, Middle Fork, North Fork, and West Branch Feather Rivers.