American River
The North Fork is the longest tributary of the American River, at . It begins at an elevation of about near Lake Tahoe in Placer County at Mountain Meadow Lake, just northeast of Granite Chief and immediately due west of Squaw Valley Ski Resort. It flows westward through remote wilderness areas.
Fort River
The Fort River has a wide variety of wildlife due to it being the longest free-flowing tributary (having no dams or other man made changes made to the rivers shape or flow) of the Connecticut River. Because of this there is a lot of wildlife making it one of the 3 most diverse rivers in the state. Mussels, Eastern Pearlfish, Sea Lampreys, and American Eel's.