Luckiamute River

The Luckiamute River is a tributary of the Willamette River, about long, in western Oregon in the United States.

It rises in the remote mountains of southwestern Polk County, about west of Pedee. It flows southeast to Hoskins in Benton County, then northeast into Polk County, past Pedee, then east across southern Polk County. It is joined from the northwest by the Little Luckiamute River. It joins the Willamette from the west about north of Albany. The mouth of the river is about downstream from the mouth of the Santiam River, which enters the Willamette from the east upstream of the Willamette's mouth on the Columbia River.

The Luckiamute Watershed Council includes Ash Creek in its watershed study area, although it drains directly into the Willamette River.