 Flowing generally west, the river receives Lick Creek and Bear Creek, both from the right before reaching the unincorporated community of Bingham Springs.Further downstream it receives Rock Creek from the right, then Bobsled, Augur, and Ryan creeks from the left before entering the Umatilla Indian Reservation and reaching the unincorporated community of Gibbon.From Gibbon to the river mouth, tracks of the Union Pacific Railroad run parallel to the stream.