North Fork Salmon River

North Fork Salmon River
Location of the mouth of the North Fork Salmon River in Idaho
North Fork Salmon River (the United States)
Location
CountryUnited States
StateIdaho
Physical characteristics
SourceLewis and Clark Ridge
  coordinates45°42′02″N 113°58′29″W / 45.70056°N 113.97472°W / 45.70056; -113.97472
  elevation7,960 ft (2,430 m)
MouthSalmon River
  coordinates
45°24′19″N 113°59′41″W / 45.40528°N 113.99472°W / 45.40528; -113.99472
  elevation
3,625 ft (1,105 m)
Length24 mi (39 km)
Basin size211 sq mi (550 km2)
Discharge 
  locationNorth Fork
  average90.4 cu ft/s (2.56 m3/s)
  minimum28 cu ft/s (0.79 m3/s)
  maximum901 cu ft/s (25.5 m3/s)

The North Fork Salmon River is a 24-mile (39 km) tributary of the Salmon River, flowing through east-central Idaho in the United States. It joins the Salmon River about 20 miles (32 km) north of the town of Salmon, in Lemhi County.