Willamette River

Willamette River

geographical name

River, northwestern Oregon, U.S. It flows north for 300 mi (485 km) into the Columbia River near Portland. Oregon's most populous cities are in its valley. The Fremont Bridge, a steel arch with a main span of 1,225 ft (373 m), crosses the river at Portland.

This entry comes from Encyclopædia Britannica Concise.
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