Son Ca Lighthouse

The Son Ca Lighthouse is situated on the island of Sơn Ca, located in the Trường Sa Archipelago, off the coast of Khánh Hòa Province, Vietnam.

The lighthouse can be accessed by boat or via a short walk from the nearby island's shore.

History

Construction of the Son Ca Lighthouse began in 1898 and was completed in 1902.

The tower was built to serve as a navigational aid for ships traversing the treacherous waters surrounding the Trường Sa Archipelago.

Architecture

The lighthouse stands at a height of approximately 30 meters (98 feet) above sea level, with a focal height of around 40 meters (131 feet).

The structure is constructed from local limestone and features a distinctive octagonal tower design.

The architect responsible for designing the lighthouse was reportedly French engineer Auguste Salis.

Light Characteristics

The Son Ca Lighthouse emits a fixed red light, visible up to 20 nautical miles (37 kilometers) at night.

The light's pattern is reported to be a steady flash every 10 seconds.

Current Status

The lighthouse remains an active aid to navigation, although it has been automated since its installation in the early 20th century.

Heritage Status

The Son Ca Lighthouse was designated as a National Monument of Vietnam in 1997, recognizing its historical and cultural significance.

Notable Historical Events

• During World War II, the lighthouse played an important role in guiding Allied forces through the waters surrounding the Trường Sa Archipelago.
• The lighthouse's location also made it a strategic site for military operations during this period.