Sweetwater River (Wyoming)

Sweetwater River
1870 photograph of the Sweetwater River.
North Platte, Sweetwater Rivers across Wyoming
Location
CountryUnited States
StateWyoming
CitiesSweetwater Station, Jeffrey City
Physical characteristics
SourceSweetwater Gap
  locationWind River Range, Fremont County
  coordinates42°39′15″N 109°03′25″W / 42.65417°N 109.05694°W / 42.65417; -109.05694
  elevation10,200 ft (3,100 m)
MouthNorth Platte River
  location
Pathfinder Reservoir, Natrona County
  coordinates
42°30′25″N 109°03′25″W / 42.50694°N 109.05694°W / 42.50694; -109.05694
  elevation
5,853 ft (1,784 m)
Length238 mi (383 km)
Basin size2,880 sq mi (7,500 km2)
Discharge 
  locationabove Pathfinder Reservoir
  average120.8 cu ft/s (3.42 m3/s)
  minimum0.5 cu ft/s (0.014 m3/s)
  maximum4,290 cu ft/s (121 m3/s)

The Sweetwater River is a 238-mile (383 km) long tributary of the North Platte River, in the U.S. state of Wyoming. As a part of the Mississippi River system, its waters eventually reach the Gulf of Mexico.