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San Francisquito Creek (Santa Clara River tributary) facts for kids

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San Francisquito Creek
The San Francisquito Creek after seasonal rainfall feeds water into the creek bed.
Native name Arroyo San Francisquito
Country United States
State California
Region Los Angeles County
Physical characteristics
Main source southwest of San Francisquito Pass
34°38′12.62″N 118°23′5.86″W / 34.6368389°N 118.3849611°W / 34.6368389; -118.3849611
River mouth confluence with Santa Clara River
34°25′34.21″N 118°34′9.26″W / 34.4261694°N 118.5692389°W / 34.4261694; -118.5692389
Length 22 mi (35 km)
Basin features
River system Santa Clara River
San Francisquito Canyon2015
The creek bed runs dry during the late spring and summer months, with native yucca in full bloom.

San Francisquito Creek is a stream in Los Angeles County, California. It flows into the Santa Clara River. This creek collects water from the southern parts of the Sierra Pelona Mountains. These mountains are part of the larger San Gabriel Mountains range.

The town closest to the creek's upper part is Green Valley. The creek starts near San Francisquito Pass. Where the creek meets the Santa Clara River, you'll find the city of Santa Clarita.

History of San Francisquito Creek

San Francisquito Creek was originally known as the Arroyo San Francisquito. For many years, the creek and its canyon were a very important path. It was the main route for wagons and stagecoaches traveling north from Los Angeles to the San Joaquin Valley.

Old Travel Routes Along the Creek

One of the first routes was called El Camino Viejo. Later, the Stockton–Los Angeles Road followed this path. The famous Butterfield Overland Mail stagecoach route also used the canyon. These old wagon roads followed the creek's path at the bottom of the canyon.

Two places where stagecoaches would stop for rest, called stage stations, were located along the creek. One was Widow Smith's Station, about 1 mi (1.6 km) down the canyon from Green Valley. Another was King's Station, located 10 mi (16 km)* south of Widow Smith's Station.

The St. Francis Dam Disaster

The St. Francis Dam was built on San Francisquito Creek. It was finished in 1926. This dam was part of the Los Angeles Aqueduct system. It helped store water brought from the Owens Valley.

However, the dam broke in 1928. This happened because of a hidden weakness in the ground beneath it. When the dam failed, a huge wave of water and debris rushed down the canyon. It then flowed into the Santa Clara River Valley and out to the sea. This event caused a great loss of life. You can still find some of the debris from the dam in the creek bed today.

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