San Andreas Lake
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San Andreas Lake (from Spanish, Laguna de San Andreas) is the name of an upland lake on the San Francisco Peninsula south of the city of San Francisco, California and west of San Bruno and Millbrae. The notorious San Andreas Fault received its name from this small lake.
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[edit] History
Originally a small, natural sag pond, the lake was expanded in the in 1870s with the construction of an earthen dam to form a 550-acre reservoir for the City of San Francisco.[1] The dam survived the 1906 earthquake despite the fact that the fault runs directly under the dam.
The Gaspar de Portola expedition camped on the shores of the lake on November 4, 1769 just prior to their discovery of San Francisco Bay; the discovery site is on Sweeney Ridge immediately west of the lake.[2]
In 1895, Professor Andrew Lawson of UC Berkeley, conferred the name of the lake on the earthquake fault he discovered in its vicinity.
[edit] Public access
Since the lake is a public water source, it is closed to the public. However, hikers and bicyclists may travel along the eastern shores of the lake on a paved trail that runs just west of Skyline Boulevard from San Bruno Avenue to Millbrae Avenue. A connecting trail goes to the dam. There is an additional paved trail leading south to the Crystal Springs reservoir.
[edit] See also
[edit] External links
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