the Columbia river is in Washington state
and originates in British Columbia and flows through gorges it created to its mouth in the Pacific near Portland, Oregon
Columbia River Gorge
Northwest US. Divides Washington state and Oregon state.
Potomac River
The Columbia River is the major river in Washington.
The location of the Columbia River influences its climate by moderating temperatures in the surrounding areas. The river has a cooling effect during hot summers and a warming effect during colder months. It also contributes to increased precipitation in the region.
Columbia river
Columbia River
The Columbia River originates in British Columbia
The Columbia River borders most of the length between Washington & Oregon.
The Columbia River.
The Columbia river
Lewis and Clark explored the Columbia River.