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 .
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.