The Long Tom River is a tributary of the Willamette River, approximately 5000000000000000 mi (8000000000000000 km) long, in western Oregon in the United States. It drains an area at the south end of the Willamette Valley between Eugene and Corvallis. The Willamette River (pronounced wil-LAM-met) is a tributary of the Columbia River, approximately 240 mi (386 km) long, in northwestern Oregon in the United States. ... State nickname: Beaver State Other U.S. States Capital Salem Largest city Portland Governor Ted Kulongoski (D) Senators Ron Wyden (D) Gordon Smith (R) Official languages None Area 255,026 km² (9th) - Land 248,849 km² - Water 6,177 km² (2. ... The Willamette Valley is the region in northwest Oregon in the United States that surrounds the Willamette River as it proceeds northward from its emergence from mountains near Eugene to its confluence with the Columbia River. ... Eugene is the third largest city [1] and boasts the second largest metropolitan population [2] in the state of Oregon, and is also the county seat of Lane County, Oregon. ... Image:Court1. ...
It rises in the Coastal Range in western Lane County, approximately 10 mi (16 km) west of Veneta. It flows east through the mountains to Veneta, then north through the Fern Ridge Reservoir west of Eugene. Issuing from the north end of the reservoir, it flows north into the Willamette Valley, roughly parallel to and west of the Willamette, converging towards it as it flows northward. It joins the Willamette from the southwest approximately 10 mi (16 km) south of Corvallis. A Coastal range is any range of mountains forming a coastline. ... Lane County is a county in the state of Oregon. ... Veneta is a city located in Lane County, Oregon. ...
The river was an important transportation route throughout much of the early history of the state, furnishing a means of conveying the vast timber and agricultural resources of the state to the outside world.
From Eugene, the combined river flows NNW across the plain of the southern Willamette Valley to Corvallis, then follows a zigzag course past Albany and around the isolated hills in the central valley, passing west of downtown Salem.
The Portland Harbor section of the Willamette River between downtown Portland and its terminus at the Columbia River is heavily polluted from years of industrial development of the river and its banks.