The North Fork Feather River is a watercourse of the northern

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primar ...

in the U.S. state of

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

. It flows generally southwards from its headwaters near

Lassen Peak Lassen Peak ( ), commonly referred to as Mount Lassen, is a lava dome volcano and the southernmost active volcano in the Cascade Range of the Western United States. Located in the Shasta Cascade region of Northern California, it is part of the ...

Lake Oroville Lake Oroville is a reservoir formed by the Oroville Dam impounding the Feather River, located in Butte County, northern California. The lake is situated northeast of the city of Oroville, within the Lake Oroville State Recreation Area, in th ...

, a reservoir formed by

Oroville Dam Oroville Dam is an earthfill embankment dam on the Feather River east of the city of Oroville, California, in the Sierra Nevada foothills east of the Sacramento Valley. At 770 feet (235 m) high, it is the tallest dam in the U.S. and ser ...

in the foothills of the Sierra, where it runs into the

Feather River The Feather River is the principal tributary of the Sacramento River, in the Sacramento Valley of Northern California. The river's main stem is about long. Its length to its most distant headwater tributary is just over . The main stem Feather ...

. The river drains about of the western slope of the Sierras. By

discharge Discharge may refer to Expel or let go * Discharge, the act of firing a gun * Discharge, or termination of employment, the end of an employee's duration with an employer * Military discharge, the release of a member of the armed forces from ser ...

, it is the largest tributary of the Feather. It rises at the confluence of Rice Creek and a smaller unnamed stream in the southern part of the

Lassen Volcanic National Park Lassen Volcanic National Park is an American national park in northeastern California. The dominant feature of the park is Lassen Peak, the largest plug dome volcano in the world and the southernmost volcano in the Cascade Range. Lassen Vol ...

. The river flows east, receiving Warner Creek from the left, and passes the town of

Chester Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...

. It then empties into

Lake Almanor Lake Almanor is a large reservoir in northwestern Plumas County, northeastern California, United States. The reservoir has a capacity of and a maximum depth of about 90 feet (27 meters). It is formed by Canyon Dam on the North Fork of the Feath ...

, which is formed by the Canyon Dam. After leaving the dam the river cuts south into a gorge, and turns southwest to receive Butt Creek from the right. The

East Branch North Fork Feather River The East Branch North Fork Feather River is a left tributary of the North Fork Feather River in the northern Sierra Nevada, Plumas County, California. Primarily within the Plumas National Forest, its course extends from Paxton (north of Quincy) ...

, the North Fork's largest tributary, comes in next to Caribou Rd (40°00'49.9"N 121°13'32.4"W). It then flows southwards, through several hydroelectric dams, into the north arm of Lake Oroville. The fork's portion of the

Feather River Canyon Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and a premier ...

is notable as part of the

Feather River Route The Feather River Route is a rail line that was built and operated by the Western Pacific Railroad. It was constructed between 1906 and 1909, and connects the cities of Oakland, California, and Salt Lake City, Utah. The line was built to compet ...

, and the railroad's North Fork Bridge near the river's mouth is the longest reinforced concrete bridge in the US. The North Fork is heavily developed for

hydroelectricity Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...

generation and is impounded by five dams, as part of three hydroelectric projects – the Upper North Fork Feather River Project, the Rock Creek-Cresta Hydroelectric Project and the Poe Hydroelectric Project. The system is so extensive that it has been dubbed the "Stairway of Power". USA Lassen NP Kings Creek CA edit3

Watershed

The North Fork Feather Watershed (USGS Huc 18020121) extends from the North Fork headwaters south-southwest to the Lower Feather Watershed. The headwaters are in the Shasta Cascades and the northern Sierras along the

Pit River The Pit River is a major river draining from northeastern California into the state's Central Valley. The Pit, the Klamath and the Columbia are the only three rivers in the U.S. that cross the Cascade Range. The longest tributary of the Sacr ...

and

Eagle Eagle is the common name for many large birds of prey of the family Accipitridae. Eagles belong to several groups of genera, some of which are closely related. Most of the 68 species of eagle are from Eurasia and Africa. Outside this area, j ...

Honey Honey is a sweet and viscous substance made by several bees, the best-known of which are honey bees. Honey is made and stored to nourish bee colonies. Bees produce honey by gathering and then refining the sugary secretions of plants (primar ...

watersheds. The

drainage divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a singl ...

for the headwaters begins in

Shasta County Shasta County (), officially the County of Shasta, is a county in the northern portion of the U.S. state of California. Its population is 182,155 as of the 2020 census, up from 177,223 from the 2010 census. The county seat is Redding. Shasta ...

at the

quadruple watershed point of East Sulpher Creek (Mill-Big Chico), Manzanita Creek (Upper Cow-Battle watershed), Lost Creek (Lower

), and Kings Creek (North Fork Feather). The headwater divid
extends in an arc east
to

Lassen County Lassen County () is a county in the northeastern portion of the U.S. state of California. As of the 2020 census, the population was 32,730. The county seat and only incorporated city is Susanville. Lassen County comprises the Susanville, Calif ...

, then to the

Great Basin Divide The Great Basin Divide in the western United States is the ridgeline that separates the Great Basin from the Pacific Ocean watershed, which completely surrounds it. The Great Basin is the largest set of contiguous endorheic watersheds of No ...

triple point In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.. It is that temperature and pressure at which the ...

of the Feather, Pit, and Susan Rivers. The divide arcs southeast to Pegleg Mountain and along of the

Sierra Crest The Sierra Crest is a roughly generally north-to-south ridgeline that demarcates the broad west and narrow east slopes of the Sierra Nevada and that extends as far east as the Sierra's topographic front (e.g., Diamond Mountains and Sierran e ...

to the triple point with the

on the east slope of

Indicator Peak Indicator may refer to: Biology * Environmental indicator of environmental health (pressures, conditions and responses) * Ecological indicator of ecosystem health (ecological processes) * Health indicator, which is used to describe the health ...

(). Downstream of Shasta and Lassen counties, the majority of the North Fork Feather Watershed area is in

Plumas County Plumas County () is a county in the Sierra Nevada of the U.S. state of California. As of the 2020 census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest community in the county is ...

. The west divide of the watershed is along th
Mill-Big Chico Watershed
southward to the West Branch Feather River triple point. The southeast divide of the North Fork Feather Watershed is the watershed of the East Branch to the triple point with the

Middle Fork Feather River The Middle Fork Feather River is a major river in Plumas and Butte Counties in the U.S. state of California. Nearly long, it drains about of the rugged northern Sierra Nevada range. Its headwaters are located near Beckwourth in the largest al ...

. The lowest elevations of the North Fork Feather Watershed are in Butte County, with the emergency weir crest at and, at average storage capacity, the

level of . NOTE: The 2010 measurements closest to average capacity () were &

References

{{Reflist Tributaries of the Feather River Rivers of Plumas County, California Rivers of the Sierra Nevada (United States) Feather Headwaters Rivers of Northern California Rivers of the Sierra Nevada in California