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The Columbia River flows from British Columbia, through Washington State and then creates the border between Washington and Oregon before flowing into the Pacific Ocean The river rises in the Rocky Mountains in British Columbia, Canada, flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state of Oregon before emptying into the Pacific Ocean.
The Pacific Ocean
The river flows from its source in Yellowstone National Park through a series of mountain ranges, canyons, and plains into the Columbia River at Tri-Cities, Washington.
The Pacific Ocean.
Columbia river
The Columbia River forms most of the border between Oregon and Washington before flowing into the Pacific Ocean.The river that forms part of the border between two northwestern states and flows into the pacific ocean is the Columbia river.
Columbia
point where Columbia river flows into pacific .
Columbia River
The major river that begins in British Columbia and flows into the American state of Washington is the Columbia River. It is the largest river in the Pacific Northwest region of North America.
The Columbia River forms most of the border between Oregon and Washington before flowing into the Pacific Ocean.The river that forms part of the border between two northwestern states and flows into the pacific ocean is the Columbia river.
Columbia River