Swan River (Montana)

Swan River
Swan River National Wildlife Refuge
Location
CountryUnited States
StateMontana
Physical characteristics
SourceGray Wolf Lake
  locationMission Mountains, Missoula County
  coordinates47°17′48″N 113°52′04″W / 47.29667°N 113.86778°W / 47.29667; -113.86778
  elevation6,650 ft (2,030 m)
MouthFlathead Lake
  location
Bigfork, Flathead County
  coordinates
48°03′35″N 114°04′51″W / 48.05972°N 114.08083°W / 48.05972; -114.08083
  elevation
2,897 ft (883 m)
Length95 mi (153 km)
Basin size671 sq mi (1,740 km2)
Discharge 
  locationriver mile 14.0, near Bigfork
  average1,155 cu ft/s (32.7 m3/s)
  minimum193 cu ft/s (5.5 m3/s)
  maximum8,890 cu ft/s (252 m3/s)

The Swan River is a 95-mile (153 km) long, north-flowing river in western Montana in the United States. The river drains a long isolated valley, known as the Swan Valley, between the Swan Range on the east and the Mission Mountains to the west.