Tributaries
The Okanogan River receives the Similkameen River from the west near Oroville. It receives Omak Creek from the east near Omak, Tonasket Creek from the east near Oroville and Bonaparte Creek at Tonasket which flows from Bonaparte Lake near Wauconda and also from Aeneas Valley west of the Sanpoil. It occasionally receives water from Salmon Creek at the town of Okanogan but much of the year this water is diverted for irrigation.
Read more about this topic: Okanogan River