This is the largest of the siphons along the Los Angeles Aqueduct (8,095 feet, with a 850 foot drop), and is notable also for having burst in freezing weather in 1988. A few siphon points are visible along the course of the original Los Angeles aqueduct which, when it was built in 1913, was the largest single water project in the world, and was especially remarkable for being gravity powered for its entire 226 mile length. In order to flow through valleys the aqueduct is contained in steel pipes, using the pressure developed in the down slope to force the water through the up slope - a syphon. The Los Angeles Aqueduct supplies Los Angeles with about 70% of its drinking water.
Visitation Information:
Jawbone Canyon is west of Highway 14, just south of the Randsburg Red Rock Road. There is a visitor's center for the Jawbone OHV area visible off the 14. The siphon is a few miles up Jawbone Canyon and is visible off the road. You can walk on it too.
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