Tsurugisaki Lighthouse

Tsurugisaki Lighthouse (剱埼灯台, Tsurugisaki tōdai) is a lighthouse located on Cape Tsurugi on the southeastern extremity of the city of Miura, Kanagawa Prefecture, Japan on the southernmost and eastern tip of Miura Peninsula. (On the southernmost western tip of Miura Peninsula stands the Jōgashima Lighthouse.)

Tsurigisaki Lighthouse
Turugi Saki
剱埼灯台

Location	Miura, Japan
Coordinates	35°08′25″N 139°40′38″E / 35.1403°N 139.6772°E / 35.1403; 139.6772
Tower
Constructed	1871 (first)
Construction	concrete (foundation), concrete (tower)
Height	16.9 m (55 ft)
Shape	octagonal tower with balcony and lantern[1]
Light
First lit	1925 (current)
Focal height	41 m (135 ft)
Lens	second order Fresnel lens
Intensity	520,000 candela
Range	18 nmi (33 km; 21 mi)
Characteristic	Al Fl(2+1) WG 30s
Japan no.	JCG-2018[2]

The Tsurugisaki Lighthouse was one of eight lighthouses to be built in Meiji period Japan under the provisions of the Anglo-Japanese Treaty of Amity and Commerce of 1858, signed by the Bakumatsu period Tokugawa Shogunate. The lighthouse was designed and constructed by British engineer Richard Henry Brunton. Brunton constructed another 25 lighthouses from far northern Hokkaidō to southern Kyūshū during his career in Japan.

Work began in March 1870. The Tsurugisaki Lighthouse was completed on March 1, 1871, and was designed to protect shipping entering Tokyo Bay via the Uraga Channel, with its light visible as far as the Bōsō Peninsula on the eastern shore of the bay. The original structure was destroyed during the Great Kantō earthquake on September 1, 1923, and was replaced with the current reinforced-concrete structure on July 4, 1925. The lighthouse has been unmanned since 1991.

It is currently maintained by the Japan Coast Guard.