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Binding People and Place / Building a Park

Building of Coxcomb Tunnel

(Building of Coxcomb Tunnel)

1933

Courtesy Metropolitan Water District of Southern California

Building of Coxcomb Tunnel

(Tunnel Liner)

1934

Courtesy Metropolitan Water District of Southern California

Coxcomb Tunnel Today

(Coxcomb Tunnel today)

ca. 2013

Today, the 242-mile Colorado River Aqueduct provides water to 19 million people in Southern California. It is the longest and largest domestic water supply line in the United States, with 29 underground tunnels over 92 miles, including one running under the park’s Coxcomb Mountains.

Courtesy Metropolitan Water District of Southern California