The Willamette River is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is 187 miles long, lying entirely in northwestern Or
The Willamette passing through Downtown Portland in the 1980s
Ocean-going cargo ship anchored at the mouth of the Willamette
The Multnomah Channel from the Sauvie Island Bridge
The Oregon Route 34 bridge across the Willamette River at Corvallis is a mid-valley highway crossing.
The Willamette River flows northwards down the Willamette Valley until it meets the Columbia River at a point 101 miles from the Pacific Ocean, in the U.S. state of Oregon.
Governor Grover at Willamette Locks, March 21, 1873
Portland harbor, lower Willamette River, circa 1899
Portland waterfront, 1921
Steamboat and barge traffic in the lock, circa 1915