Aliso Creek (Los Angeles County) facts for kids
Quick facts for kids Aliso Canyon Wash |
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 Location of the mouth in California
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| Other name(s) | Aliso Creek |
| Country | United States |
| State | California |
| Region | Los Angeles County |
| Cities | Granada Hills, Northridge, Winnetka, Reseda |
| Physical characteristics | |
| Main source | Aliso Canyon Park Near Mission Point, Santa Susana Mountains 2,600 ft (790 m) 34°19′23″N 118°32′45″W / 34.32306°N 118.54583°W |
| River mouth | Los Angeles River Reseda 725 ft (221 m) 34°11′24″N 118°32′30″W / 34.19000°N 118.54167°W |
| Length | 8.5 mi (13.7 km), North-south |
| Basin features | |
| River system | Los Angeles River |
| Basin size | 21 sq mi (54 km2) |
| Tributaries |
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Aliso Creek is a stream in Los Angeles County, California. It is also known as Aliso Canyon Wash or Aliso Wash. This creek is a major tributary of the Los Angeles River. A tributary is a smaller stream that flows into a larger river.
Aliso Creek starts in the Santa Susana Mountains. It flows through the western part of the San Fernando Valley. The area of land that drains into Aliso Creek is called its watershed. This watershed covers about 21 square miles (54 km2). Aliso Creek is the second main stream to join the Los Angeles River after its headwaters. The headwaters are where a river begins.
Where Aliso Creek Flows
Aliso Creek flows for about 10 miles (16 km). It starts in Aliso Canyon, near Oat Mountain. For its first mile, the creek flows freely. You can see it in Aliso Canyon Park and Eddlestone Park. These parks are near Granada Hills and Porter Ranch.
After passing under California State Route 118, the creek changes. It enters Northridge and flows into a retention basin. A retention basin is like a large pond that holds water. From there, the creek flows through a concrete flood control channel. This channel helps prevent floods. It carries the water south across the San Fernando Valley.
Two other streams join Aliso Creek. These are Wilbur Canyon Wash and Limekiln Wash. They both enter from the right side of the creek.
In Reseda, the Aliso Creek channel turns east. It flows a short distance before joining the Los Angeles River. This meeting point is called a confluence. It happens north of Victory Boulevard.
