Aliso Creek (Los Angeles County)

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Not to be confused with Aliso Creek (Orange County).
Coordinates: 34°11′24″N 118°32′30″W / 34.19000°N 118.54167°W / 34.19000; -118.54167
Aliso Canyon Wash
Aliso Creek
River
Country United States
State California
Region Los Angeles County
Part of Los Angeles River
Tributaries
 - right Wilbur Canyon Wash, Limekiln Wash
Cities Granada Hills, Northridge, Winnetka, Reseda
Source Aliso Canyon Park
 - location Near Mission Point, Santa Susana Mountains
 - elevation 2,600 ft (792 m)
 - coordinates 34°19′23″N 118°32′45″W / 34.32306°N 118.54583°W / 34.32306; -118.54583 [1]
Mouth Los Angeles River
 - location Reseda
 - elevation 725 ft (221 m) [1]
 - coordinates 34°11′24″N 118°32′30″W / 34.19000°N 118.54167°W / 34.19000; -118.54167 [1]
Length 8.5 mi (14 km), North-south
Basin 21 sq mi (54 km2) [2]
Discharge
 - average 3 cu ft/s (0 m3/s)
For other uses see Aliso Creek (disambiguation).

Aliso Creek (also Aliso Canyon Wash or Aliso Wash) is a major tributary of the Los Angeles River in Los Angeles County, California, with a watershed of 21 square miles (54 km2).[2] It is the second major tributary to enter the Los Angeles River downstream of the Bell Creek/Calabasas Creek merge.[3] The stream runs about 10 miles (16 km) from Aliso Canyon below Oat Mountain to its confluence with the Los Angeles River. During its first mile, it is a free-flowing stream mostly contained within Aliso Canyon Park and Eddlestone Park. After it passes under State Route 118 (Ronald Reagan Freeway) it empties into a retention basin and from there on is encased in a concrete flood control channel, flowing due south. Upstream of Plummer St., it merges with the Wilbur Canyon Wash, and shortly downstream merges with Limekiln Wash, both on the right bank. West of the West Valley Park, Aliso Creek makes a 90-degree bend to the east and merges with the mainstem Los Angeles River.[4]

Crossings and tributaries[edit]

From northern source to southern mouth (year built in parentheses):

Notes[edit]