Willamette River

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Wil·lam·ette River

A river, about 480 km (300 mi) long, of northwest Oregon flowing generally northward to the Columbia River near Portland. The Willamette Valley, a fertile agricultural region, was settled in the 1830s by pioneers traveling west along the Oregon Trail.
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Noun1.Willamette River - a river in western Oregon that flows north into the Columbia River near Portland
Beaver State, OR, Oregon - a state in northwestern United States on the Pacific
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Roads have been left impassable by flooding that ejected manhole covers and caused sinkholes, and mudslides broke sewer pipes and sent sewage into the streets and Williamette River.