Browns Canyon Wash, also known as Browns Canyon Creek, is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed March 16, 2011

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Los Angeles River , name_etymology = , image = File:Los Angeles River from Fletcher Drive Bridge 2019.jpg , image_caption = L.A. River from Fletcher Drive Bridge , image_size = 300 , map = LARmap.jpg , map_size ...

in the

Santa Susana Mountains The Santa Susana Mountains are a transverse range of mountains in Southern California, north of the city of Los Angeles, in the United States. The range runs east-west, separating the San Fernando and Simi valleys on its south from the Santa Cla ...

Los Angeles County Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is the ...

and across the western

San Fernando Valley The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...

Los Angeles, California Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

Course

The stream begins as a free-flowing stream in Browns Canyon of the eastern

, partially within Michael D. Antonovich Regional Park at Joughlin Ranch. It runs along Browns Canyon Road, which leads to the Cold War

Oat Mountain Oat Mountain is a mountain, peak of the Santa Susana Mountains overlooking the San Fernando Valley (near Los Angeles, California) to the south and southeast. Oat Mountain is the highest peak in the Santa Susana Mountains of California. The Los A ...

Nike missile The United States Army's Nike Ajax was the world's first operational guided surface-to-air missile (SAM), entering service in 1954. Nike Ajax was designed to attack conventional bomber aircraft flying at high subsonic speeds and altitudes above ...

base site, on the border of the Chatsworth and

Porter Ranch Porter Ranch is a suburban neighborhood in the northwest San Fernando Valley region of the City of Los Angeles, California. History New home construction that was completed in the Porter Ranch area in the 1990s–2000s, including the Renaissan ...

communities. After passing under the State Route 118 (Ronald Reagan Memorial Freeway), it is then encased in a

concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most wi ...

flood control channel Flood control channels are large and empty basins which let water flow in and out (except during flooding) or dry channels that run below the street levels of some larger cities, so that if and when a flood occurs, the water will run into these ch ...

, traveling southwards through Chatsworth,

Canoga Park Canoga Park is a neighborhood in the San Fernando Valley region of the City of Los Angeles, California. Before the Mexican–American War, the district was part of a rancho, and after the American victory it was converted into wheat farms and t ...

, and Winnetka. Its

confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...

with the Los Angeles River is just west of Mason Avenue and north of Vanowen Avenue. The channel walls near Winnetka were damaged in the

1994 Northridge earthquake The 1994 Northridge earthquake was a moment 6.7 (), blind thrust earthquake that occurred on January 17, 1994, at 4:30:55 a.m. PST in the San Fernando Valley region of the City of Los Angeles. The quake had a duration of approximately ...

. The wash features an equestrian and

bicycle path Cycling infrastructure is all infrastructure cyclists are allowed to use. Bikeways include bike paths, bike lanes, cycle tracks, rail trails and, where permitted, sidewalks. Roads used by motorists are also cycling infrastructure, except wher ...

along its eastern bank in Chatsworth.

Crossings and tributaries

From mouth to source (year built in parentheses): *Sherman Way (1971) *Valerio Street edestrian Bridge*Saticoy Street (1971) *near Arminta Street edestrian Bridge*Roscoe Boulevard (1971) *De Soto Avenue (1972) *Santa Susana Creek enters *Parthenia Street (1972) *Nordhoff Street (1971) *Railroad:

Amtrak The National Railroad Passenger Corporation, Trade name, doing business as Amtrak () , is the national Passenger train, passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous United Stat ...

Coast Starlight The ''Coast Starlight'' is a passenger train operated by Amtrak on the West Coast of the United States between Seattle and Los Angeles via Portland and the San Francisco Bay Area. The train, which has operated continuously since Amtrak's formati ...

Pacific Surfliner The ''Pacific Surfliner'' is a passenger train service serving the communities on the coast of Southern California between San Diego and San Luis Obispo. The service carried 2,924,117 passengers during fiscal year 2016, a 3.4% increase from F ...

/ Metrolink

Ventura County Line The Metrolink Ventura County Line is a commuter rail line serving Ventura County and the San Fernando Valley in Los Angeles County and the City of Los Angeles, in the Southern California system. The line is the successor of the short lived CalTr ...

*Lassen Street (1971) *Devonshire Street/Canoga Avenue (1974) *Chatsworth Street (1972) *Variel Avenue (1973) *Rinaldi Street (1973) * State Route 118 (Simi Valley Freeway) offramp to De Soto Avenue (1971) *State Route 118 - Ronald Reagan Freeway (1971) *Browns Canyon Road

References

{{Southern California major watersheds Rivers of Los Angeles County, California Tributaries of the Los Angeles River Washes of California Geography of the San Fernando Valley Santa Susana Mountains Canoga Park, Los Angeles Chatsworth, Los Angeles Porter Ranch, Los Angeles Winnetka, Los Angeles Rivers of Southern California

Course

Crossings and tributaries

See also

References