Long Tom River
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The Long Tom River is a tributary of the Willamette River, approximately 50 mi (80 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.
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.