It is located in the San Gabriel Mountains, northeast of Mount Wilson, and within the Angeles National Forest.

San Gabriel Dam lies 13 miles (21 km) downstream.

Construction began in March 1932 and was completed in April 1934, at a total cost of US$3,127,762.

[3] The rock-fill dam, built by the Los Angeles County Flood Control District, is 585 feet (178 m) long, 266 feet (81 m) tall (measured from the stream bed), 18 feet (5.5 m) wide at the top, and contains 1,044,945 cubic yards (798,918 m3) of material.

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