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A lighthouse and several buildings sit on a peninsula in the Pacific Ocean.  (BLM Photo)

PIEDRAS BLANCAS LIGHT STATION HISTORY

Lighthouses were built to aid sailors navigate safely. The Piedras Blancas lighthouse was first illuminated on February 15, 1875. The lighthouse was originally 100 feet tall. It housed a first order Fresnel lens that produced a fixed and flashing light that flashed every 15 seconds. In 1916 the lens was modified to produce a double flash every 15 seconds. A fog signal building was constructed in 1905 to produce an audio sound to help guide mariners. The first sound was used in 1906.

Earthquakes over the years had caused damage to the lighthouse. An earthquake on the last day of 1948 resulted in the upper part of the lighthouse being declared structurally unsound. In 1949 the upper three levels (fourth landing, watch room, and lantern) were removed, reducing the height of the tower to about 70 feet. The first order Fresnel lens was loaned to the Cambria Lions Club and moved to Cambria, where it is on display, next to the Cambria Veteran’s Memorial Building.

The Piedras Blancas Light Station is currently managed by the Bureau of Land Management as a historic park and wildlife sanctuary.

Piedras Blancas Light Station Facts
Height in 1875 - 100 feet
Height following removal of the fourth landing, watch room, and lantern - 70 feet

Latitude - 35 39 56 N, Longitude - 121 17 04 W
Distance visible - 19-20 nautical miles

Height above sea level in 1875 - 170 feet
Height above sea level after removal of upper three levels - 142 feet

Light characteristics 
1875-1916 - fixed with a white flash every 15 seconds
1916-1948 - 2 flashes every 15 seconds
1949-present - white flash every 10 seconds

Chronology of lights
1875-1949
1949-1974 - 36 inch aero beacon
1974-1999 - 24 inch aero beacon
1999-2002 - emergency light
2002-present - Vega marine rotating beacon (VRB-25)

Notice

The health and safety of our visitors and staff remains the number one priority of the Bureau of Land Management. In accordance with guidance from the Centers for Disease Control and Prevention and with the Governor’s shelter in place order, the BLM will temporarily suspend tours to help limit the spread of COVID-19.

Quick Facts

Congressional Designation
Created:  May 8, 2008
Size:  476 acres of public land

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Piedras Blancas Light Station

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Piedras Blancas Light Station 
Phone: 805-927-7361
Email: BLM_CA_Web_BK@blm.gov

Bureau of Land Management 
Bakersfield Field Office 

3801 Pegasus Drive 
Bakersfield, CA 93308 
Phone: 661-391-6000
Email: BLM_CA_Web_BK@blm.gov