Mary's River is a tributary of the The Willamette River (pronounced wil-LAM-met) is a tributary of the Columbia, approximately 240 mi (386 km) long, in northwestern Oregon in the United States. Flowing northward between the Coastal Range and Cascade Range, the river and its tributaries form a basin called the Willamette Valley containing the largest... Willamette River in western For other uses, see Oregon (disambiguation). State of Oregon (Flag of Oregon) (Seal of Oregon) State nickname: Beaver State Other U.S. States Capital Salem Largest city Portland Governor Ted Kulongoski Official languages None Area 255,026 km² (9th)  - Land 248,849 km²  - Water 6,177... Oregon near Corvallis is a city located in Benton County in central western Oregon. Originally called Marysville, probably for the nearby Marys River, the state legislature changed the citys name to Corvallis in 1853, from the Latin phrase cor vallis, meaning heart of the valley. As of the 2000 census... Corvallis. Wyman St. Clair is generally credited for the name.

See also

• The following is a partial listing of rivers in the state of Oregon, United States of America. Alphabetical listing Alsea River Breitenbush River Calapooia River Chetco River Clackamas River Coast Fork Willamette River Coos River Coquille River Columbia River D River Deschutes River Elk River Grande Ronde River Hood River... List of Oregon rivers