The McKenzie River is a 90-mile (145 km) tributary of the Willamette River in western Oregon in the United States. It drains part of the Cascade Range east of Eugene and flows into the southernmost end of the Willamette Valley. It is named for Donald Mackenzie, a Scottish Canadian fur trader. There are six large dams on the McKenzie and its tributaries.
Read more about McKenzie River: Course, History, Watershed, Communities in The McKenzie River Valley