North Fork Trinity River

The North Fork Trinity River is a tributary of the Trinity River in the U.S. state of California. It flows south through the Klamath Mountains for about 25 miles (40 km), emptying into the Trinity at Helena, about 5 miles (8.0 km) northeast of Junction City. The river drains an area of 151 square miles (390 km2). Important tributaries include the East Fork North Fork Trinity River and Grizzly Creek.

North Fork Trinity River
Location
CountryUnited States
StateCalifornia
CityHelena
Physical characteristics
SourceRays Peak
  locationTrinity National Forest
  coordinates41°04′24″N 123°09′54″W
  elevation5,700 ft (1,700 m)
MouthTrinity River
  location
Helena
  coordinates
40°46′14″N 123°07′39″W
  elevation
1,358 ft (414 m)
Length25 mi (40 km)
Basin size151 sq mi (390 km2)
Discharge 
  locationHelena, CA
  average431 cu ft/s (12.2 m3/s)
  minimum7.5 cu ft/s (0.21 m3/s)
  maximum35,800 cu ft/s (1,010 m3/s)
Basin features
Tributaries 
  leftGrizzly Creek (Middle Yuba River), East Fork North Fork Trinity River
DesignatedJanuary 19, 1981


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