Friends of the South Fork Salmon River

The South Fork Salmon River is an 86-mile tributary of the Salmon River in Idaho and Valley Counties in central Idaho. The river drains a rugged, lightly populated wilderness watershed in the Salmon River Mountains. It is the second-largest tributary of the Salmon River, after the Middle Fork.
  • Country: United States
  • State: Idaho
  • Source: near Monumental Peak
  • Mouth: Salmon River
  • Length: 86 mi (138 km)
  • Basin size: 1,309 sq mi (3,390 km²)
Data from: en.wikipedia.org