Castaic Lake

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Not to be confused with Castac Lake.
Castaic Lake
Location Los Angeles County, California
Coordinates 34°31′29″N 118°35′15″W / 34.5247°N 118.5876°W / 34.5247; -118.5876Coordinates: 34°31′29″N 118°35′15″W / 34.5247°N 118.5876°W / 34.5247; -118.5876
Type reservoir
Primary inflows West Branch California Aqueduct
Castaic Creek
Primary outflows Castaic Creek
Basin countries United States
Water volume 320,000 acre·ft (390,000,000 m3)
Surface elevation 1,500 feet (460 m)

Castaic Lake is a reservoir formed by Castaic Dam on Castaic Creek, in the Sierra Pelona Mountains of northwestern Los Angeles County, California, near the town of Castaic.


The 320,000 acre·ft (390,000,000 m3) lake with a surface elevation of approximately 1,500 feet (460 m) above sea level is the terminus of the West Branch California Aqueduct, though some comes from the 154 square miles (400 km2) Castaic Creek watershed above the dam. Castaic Lake is bisected by the Elderberry Forebay Dam, which creates the adjacent Elderberry Forebay. The aqueduct water comes from Pyramid Lake through the Angeles Tunnel and is used to power Castaic Power Plant, a pumped-storage hydroelectric facility on the northern end of the forebay.

Castaic Dam and Castaic Lake are a de facto replacement for the St. Francis Dam, which was located in San Francisquito Canyon, the next canyon to the east. The St. Francis Dam collapsed in 1928, with the resulting flood killing over 400 people in the Santa Clara River Valley.

Castaic Lake is part of the Castaic Lake State Recreation Area. Primary access is via Interstate 5 at exits 176A and 176B at the town of Castaic.


Water from the lake is distributed throughout the northern portion of the Greater Los Angeles Area. Some water is released into Castaic Lagoon below the dam, which drains into Castaic Creek. The creek flows south until it meets the Santa Clara River, a few miles west of Santa Clarita.

In popular culture[edit]

Castaic Lake was one of the main filming locations for the Mighty Morphin Power Rangers series. Many of the action scenes were recorded here.

See also[edit]


External links[edit]