The Santiam River is a tributary of the Willamette River, about 12 miles long, in western Oregon in the United States. Through its two principal tributaries, the North Santiam and the South Santiam ri

The South Santiam River is a tributary of the Santiam River, about 69 miles long, in western Oregon in the United States. It drains an area of the Cascade Range into the Willamette Valley east of Corv