| Location | Point Piedras Blancas, California |
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| Year first constructed | 1875 |
| Year first lit | 1875 (current tower) |
| Automated | 1975 |
| Foundation | Masonry |
| Construction | Brick |
| Tower shape | Conical with flat top |
| Markings / pattern | white |
| Height | 74 ft (23 m) |
| Focal height | 142 ft (43 m) |
| Original lens | First order bivalve Fresnel lens |
| Current lens | VRB-25 |
| Range | 19 nm |
| Characteristic | Flashing white every 10 seconds |
| Admiralty number | G3982 |
| ARLHS number | USA-598 |
| USCG number | 6-0265 |
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Piedras Blancas Light Station
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| Nearest city: | San Simeon, California |
| Area: | 20 acres (8.1 ha) |
| Built: | 1875 |
| Architectural style: | Classical Revival, Gothic, Romanesque |
| Governing body: | Bureau of Land Management |
| MPS: | Light Stations of California MPS |
| NRHP Reference#: |
91001095 [3] |
| Added to NRHP: | September 03, 1991 |
Piedras Blancas Light Station is a lighthouse on Point Piedras Blancas, about five and half miles (9 km) west by NW of San Simeon, California.[4]
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The first-order Fresnel lens on the 105-foot 10½-inch Piedras Blancas Lighthouse (pronounced: PEE-AY-dras BLAN-kas) was first illuminated in 1875. On December 31, 1948 and January 1, 1949 three magnitude 3.8 to 4.6 earthquakes centered 6 miles (9.7 km) off the point damaged the lantern room. The lens, lantern room, watch room, and fourth landing were removed, reducing the height of the tower to 74 feet (23 m). The lens is now on display in the nearby community of Cambria.[1] The United States Lighthouse Establishment first staffed the site, from 1874 to 1939. The United States Coast Guard staffed the light station from 1939 until 2001. When the tower was automated in 1975, the station was unmanned. The Bureau of Land Management acquired the site in 2001.
The light is an active aid to navigation; however, the sound signal has been silenced. The site is currently maintained by the United States Department of the Interior Bureau of Land Management. Guided tours of the 19-acre (77,000 m2) restricted site are available every Tuesday, Thursday, and Saturday (except Federal holidays) for a fee ($10.00 for adults; $5 for ages 6-17; free for ages 5 and under). Visitors experience early coastal history, early state history, maritime history, marine mammals, native coastal plants, native coastal animals, and native coastal insects in the BLM designated Outstanding Natural Area.[5]
The largest elephant seal rookery on the West Coast is located just south of the lighthouse. The fenced-in viewing vista is located just off of California Highway 1 and is open year-round.
Piedras Blancas State Marine Reserve and Marine Conservation Area are marine protected areas offshore from Piedras Blancas Light. Like underwater parks, these marine protected areas help conserve ocean wildlife and marine ecosystems.
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