Search results
A map of the Willamette River, its drainage basin, major tributaries and major cities
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 Oregon in the United States. Overview. Map.
Learn about the Willamette River, a watercourse of western Oregon, U.S., that flows into the Columbia River near Portland. See its map, facts, and agricultural and lumber activities in the Willamette Valley.
14 wrz 2021 · Learn about the Willamette River, a 301 km long river in northwestern Oregon, United States, and its tributaries, dams, and agricultural activities. See a map of the Willamette Valley, where the river flows and surrounds Portland, the state’s largest city.
The Willamette Valley is a region of the U.S. state of Oregon. Centered around the Willamette River, and home to the state's three largest cities and much of the state's agriculture industry and the Oregon Wine Country. Overview. Map.
Learn about the geography, history, and ecology of the Willamette River and its basin, which covers 12 percent of Oregon. See a slideshow of photos and maps of the river and its tributaries.
Learn about the Willamette River, a 200-mile waterway that flows through the Willamette Valley in Oregon. Find out how to explore it along the Willamette Water Trail, a 187-mile route with landings and campsites.
