Arroyo Calabasas (also known as Calabasas 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 drai ...

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 southwestern San Fernando Valley area of Los Angeles County in

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 ...

Route

Origin of the Los Angeles River in Canoga Park

The stream begins with the merging of: Dry Canyon Creek from a

Santa Monica Mountains The Santa Monica Mountains is a coastal mountain range in Southern California, next to the Pacific Ocean. It is part of the Transverse Ranges. Because of its proximity to densely populated regions, it is one of the most visited natural areas in ...

watershed and McCoy Canyon Creek from a

Simi Hills The Simi Hills are a low rocky mountain range of the Transverse Ranges in eastern Ventura County and western Los Angeles County, of southern California, United States. Geography The Simi Hills are aligned east-west and run for , and average aro ...

(

Hidden Hills ''Hidden Hills'' is an American sitcom television series that aired on NBC from September 24, 2002 to January 21, 2003, during the 2002 fall line up. Based on the book ''Surviving Suburbia'', the series was created by Peter Segal and Ric Swart ...

and

Upper Las Virgenes Canyon Open Space Preserve The Upper Las Virgenes Canyon Open Space Preserve is a large open space nature preserve owned and operated by the Santa Monica Mountains Conservancy spanning nearly in the Simi Hills of western Los Angeles County and eastern Ventura County. Or ...

) watershed, near the

Leonis Adobe The Leonis Adobe, built in 1844, is one of the oldest surviving private residences in Los Angeles County and one of the oldest surviving buildings in the San Fernando Valley. Located in what is now Calabasas, California, the adobe was occupied ...

in the town of Calabasas. Arroyo Calabasas flows northeast through Woodland Hills and Canoga Park. In Canoga Park it joins Bell Creek, directly east of Canoga Park High School beside Vanowen Avenue. The confluence marks the ''"headwaters"'' of the

, . The flow of Arroyo Calabasas is entirely 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 wid ...

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 ...

Crossings

From mouth to source (year built in parentheses): *Vanowen Street (1964) * Westfield Topanga Parking Lot (1964) *

California State Route 27 State Route 27, commonly known by its street name Topanga Canyon Boulevard (), is a state highway in the U.S. state of California that runs from the Pacific Coast Highway (California State Route 1) at Topanga State Beach near Pacific Palisades, ...

- North Topanga Canyon Boulevard (1962) *Kittridge Street edestrian Bridge* Victory Boulevard (1966) *Sylvan Street rivate Pedestrian Bridge*Shoup Avenue (1964) *Oxnard Street (1963) *Fallbrook Avenue (1961) *Burbank Boulevard (1968) *Woodlake Avenue (1968) *Mariano Street (1968) *Canzonet Street (1968) *Dry Canyon Creek enters from south *Valley Circle Boulevard (1962) *McCoy Canyon Creek enters from west

References

{{Southern California major watersheds Rivers of Los Angeles County, California Tributaries of the Los Angeles River Geography of the San Fernando Valley Geography of Los Angeles Santa Monica Mountains Calabasas, California Canoga Park, Los Angeles Woodland Hills, Los Angeles Rivers of Southern California

Route

Crossings

See also

References