Name and Location

The Yerba Buena Island Lighthouse is located on Yerba Buena Island in San Francisco, California, USA.

Construction and History

The lighthouse was constructed in 1873 to serve as a vital aid to navigation for mariners entering the San Francisco Bay. It was officially recognized as a National Register of Historic Places (NRHP) site in 1991. In 1875, the lighthouse began operation with a fifth-order lens transferred from the Yaquina Lighthouse in Oregon.

Architecture and Materials

The Yerba Buena Island Lighthouse is known for its distinctive white octagonal shape.

Light and Navigation

The lighthouse emits a white light beam, flashing every 30 seconds, with a range of approximately 14 nautical miles. This beacon serves as a critical aid to navigation for mariners traversing the San Francisco Bay and surrounding waters.

Accessibility and Visiting

Visitors can access the Yerba Buena Island Lighthouse via a short walk from the island's parking area.

Notable Views and Landscape

The surrounding environment is characterized by rolling hills, scenic vistas, and diverse wildlife. The lighthouse offers stunning views of the San Francisco Bay and surrounding landscape.

Anecdotes and Folklore

One of the most interesting aspects of the Yerba Buena Island Lighthouse is its connection to the U.S. Coast Guard. The lighthouse has played a crucial role in maritime navigation since its construction in 1873.

Technical and Operational Details

The lighthouse was automated in the mid-20th century, and as of [current year], it is no longer an active aid to navigation.

Further Information

For more information on the Yerba Buena Island Lighthouse, please visit the National Park Service website at www.nps.gov or Wikipedia at https://en.wikipedia.org/wiki/Yerba_Buena_Island_Lighthouse.