List of tributaries of the Columbia River

Tributaries and sub-tributaries are hierarchically listed in order from the mouth of the Columbia River upstream.

Major dams and reservoir lakes are also noted.

List of major tributaries The main river and tributaries are (sorted in order from the mouth heading upstream): tributary tributary (km) (km2) (m3/s) Mouth to Bonneville Dam Bonneville Dam to McNary Dam McNary Dam to Columbia Lake [1][2]