Sadamisaki Lighthouse

The Sadamisaki Lighthouse is a historic lighthouse located on the island of Shikoku, Japan.

History

• The construction of the lighthouse began in 1977 and was completed in 1978. It has been an important aid to navigation for mariners traveling through the waters surrounding Shikoku Island.

Architecture

The Sadamisaki Lighthouse stands at a height of 49 meters (161 feet) above sea level, with a focal height of 63 meters (207 feet). The lighthouse is constructed from concrete and features a distinctive white light that can be seen for up to 19 nautical miles. The light source is a M 5424 Fresnel lens, which emits a Fl (first order) signal.

Light Characteristics

The Sadamisaki Lighthouse emits a Fl (first order) signal with a period of 20 seconds and a range of 19 nautical miles. The light is visible in all directions from the tower, with a sector angle of 214° to 265°.

Current Status

The lighthouse is currently an active aid to navigation, although it has been automated since its construction. It remains an important part of Japan's maritime safety infrastructure.

Location and Accessibility

The Sadamisaki Lighthouse is located on the island of Shikoku, in Ikata Town. The lighthouse can be accessed by road, with a parking area available for visitors.

Heritage Status

The Sadamisaki Lighthouse has been designated as a Special Cultural Property by the Japanese government, recognizing its historical and cultural significance.

Notable Historical Events

No notable historical events are recorded for the Sadamisaki Lighthouse.