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Walla Walla River

River on Columbia Plateau, McNary National Wildlife Refuge, Swegle Road Wildlife Area, McDonald Bridge Wildlife Area in Touchet in WA, OR

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Length

55mi

On the Web

On Wikipedia

The Walla Walla River is a tributary of the Columbia River, joining the Columbia just above Wallula Gap in southeastern Washington in the United States. The river flows through Umatilla County, Oregon, and Walla Walla County, Washington. Its drainage basin is 1,758 square miles (4,550 km2) in area.

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