Upper Truckee River

Upper Truckee River
Lake Stream, Lake Valley Creek, Little Truckee River
Upper Truckee River, October 2010
EtymologyNamed after the Paiute chief Truckee
Location
CountryUnited States
StateCalifornia
CitiesMeyers, California, South Lake Tahoe, California
Physical characteristics
SourceRed Lake Peak
  locationSierra Nevada, Alpine County, California
  coordinates38°43′06″N 119°59′21″W / 38.71833°N 119.98917°W / 38.71833; -119.98917
  elevation9,480 ft (2,890 m)
MouthLake Tahoe
  location
El Dorado County, California
  coordinates
38°56′32″N 119°59′46″W / 38.94222°N 119.99611°W / 38.94222; -119.99611
  elevation
6,224 ft (1,897 m)
Basin features
Tributaries 
  leftEcho Creek, Angora Creek
  rightGrass Lake Creek, Trout Creek (Lake Tahoe) (historically)

The Upper Truckee River is a stream that flows northward from the western slope of Red Lake Peak in Alpine County, California to Lake Tahoe via the Truckee Marsh in South Lake Tahoe, California. The river flows northeasterly and is 23 miles (37 km) long. It is Lake Tahoe's largest tributary.