The Grand Coulee Dam
Potomac River
the Columbia river is located south of Washington, acting as a border between Washington and Oregon.
Washington
The Columbia River is located in the States of Washington and Oregon and in the Canadian Province of British Columbia.
The Columbia River is located in the United States and Canada. It runs though the states of Washington and Oregon as well as the Province of British Columbia.
The Columbia River is the major river in Washington.
Portland, Oregon is located right on the Columbia River ( or next to) . The Columbia river forms the border between Washington state and Oregon. So, Portland is very near the Washington state line. The City of Vancouver, Washington is just north over the WAsh/Ore border or just over the Columbia River.
It's on the Columbia River in the U.S. state of Washington.
The Columbia River borders most of the length between Washington & Oregon.
Columbia river
actually there is no Yakima river its actually a tributary that's connected to the Columbia River in Washington state.
Portland.