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Nyudozaki Lighthouse
入道埼灯台
Location	Oga; Akita Prefecture; Japan
Coordinates	40°00′18″N 139°42′6″E / 40.00500°N 139.70167°E;
Tower
Constructed	8 November 1898 (first)
Foundation	concrete
Construction	concrete tower
Automated	May 1972
Height	27.92 metres (91.6 ft)
Shape	cylindrical tower with balcony and lantern
Markings	white and black bands tower, white lantern
Light
First lit	1951 (current)
Focal height	57.00 metres (187.01 ft)
Lens	Second-order Fresnel
Intensity	1,500,000 cd
Range	20.0 nautical miles (37.0 km; 23.0 mi)
Characteristic	Fl W 15s.
Japan no.	JCG-1414 (main light) and 1415 (spotlight)

Nyudozaki Lighthouse (入道崎灯台, Nyūdōzaki tōdai), or Nyūdō Saki Lighthouse, is a lighthouse on the northwest top of Oga Peninsula in the city of Oga, Akita Prefecture, Japan.^[3]

History

The first lighthouse was built in 1898,^[4] a white hexagon 24.4 meter steel tower.^[1] It was electrified with a 1,500W lamp in 1932 and manned until 1972, when it transitioned to automatic control. From 1973 Nyudozaki carries a continuous white spotlight that shines on the Mizushima Islet about 1,000 meters to the north. It is currently one of the 16 Japanese lighthouses which is open to the public,^[1] who may climb to the top for a panoramic view over the Sea of Japan (not available in winter season). A small museum has been attached since 1998 displaying references and lenses.^[1] The tower is listed as one of the “50 Lighthouses of Japan” by the Japan Lighthouse Association and operated by the 2nd Regional Coast Guard Headquarters.