North Fork Feather River | |
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![]() Freight train crossing the North Fork, 2017 | |
![]() Map of the Feather River drainage basin. The North Fork flows from Lassen Peak southward to Lake Oroville. | |
Location | |
Country | United States |
State | California |
Region | North Fork Feather Watershed 1,090 sq mi (2,800 km2),[1] including the West Fork but not East Branch Watershed |
Physical characteristics | |
Source confluence | Rice Creek (Feather River) & South Arm Rice Creek |
• location | Feather River Meadows[citation needed] |
Mouth | Lake Oroville, North ArmA |
Length | 70 mi (110 km) |
Basin size | 2,100 sq mi (5,400 km2)[1] |
Discharge | |
• location | mouth at north arm, Lake Oroville; max and min at Pulga[2] |
• average | 2,930 cu ft/s (83 m3/s)[2] |
• minimum | 5.4 cu ft/s (0.15 m3/s) |
• maximum | 105,400 cu ft/s (2,980 m3/s) |
The North Fork Feather River is a watercourse of the northern Sierra Nevada and southern Cascades in the U.S. state of California. It flows generally southwards from its headwaters near Lassen Peak to Lake Oroville, a reservoir formed by Oroville Dam in the foothills of the Sierra, where it runs into the Feather River. The river drains about 2,100 square miles (5,400 km2) of the western slope of the Sierras. By discharge, it is the largest tributary of the Feather.