East Fork Salmon River

The East Fork Salmon River is a 34 mi tributary of the Salmon River, flowing through Custer County, Idaho in the United States. It joins the Salmon River about 3.7 mi east of Clayton and 17 mi south-southwest of Challis. The East Fork Salmon River is formed at the confluence of the West Fork East Fork Salmon River and the South Fork East Fork Salmon River between the Boulder and White Cloud mountains in Sawtooth National Recreation Area.