The 1st Class Lighthouse (the 1st class four-sided Fresnel type flash lens) using one of only five largest 1st class lenses in Japan, with a 400 watt metal halide light bulb that emits 1.1 million candela light.
It is the second tallest brick lighthouse after Shiriyasaki Lighthouse.
A brick double cylindrical structure designed by Brunton (This is said to be effective against earthquakes), built on a hilly cape.

Establishment : Nov.15, 1874
Characteristics : Single Flashing white light (one flash every 15 seconds)
Light intensity : 1.1 million candela
Range : 19n.m.
Light source : metal halide light bulb
Lens : the 1st class lens (height of lens : 2.6m）
Height : 52m, 31m(tower)
Meteorological observation, Live cameras have been installed(Japan Coast Guard opens this information to mariners)
Installation of AIS land station

History of Inubosaki Lighthouse

1874 : The Emperor Meiji and Empress visited the test lighthouse of Yokohama Light dormitory to view Fresnel lens (Inubosaki 1st lens). 1st lighting

1910 : Fog warning signal services started.

1911 : The Crown Prince at the time (Later Emperor Taisho) visited the Lighthouse.

1923 : The lamp units were electrified

1946 : Emperor Showa visited the Lighthouse.

1951 : The restoration work due to war damage was completed. The first lens was out of service.

1962 : Ramark Beacon was installed.

1974 : Inubosaki Lighthouse Festival marking the 100th Anniversary was held.

1998 : Selected as one of the 100 Historic Lighthouses of the World

2002 : Inubosaki Lighthouse Museum opened.

2008 : Inubosaki Fog Signal Station was abolished.

2010 : Inubosaki Lighthouse was registered as a national Tangible Cultural Property of Japan. Inubosaki Foghorn 100th Anniversary Symposium

2014 : Inubosaki Lighthouse Ceremony of the 140th Anniversary. An old Fog Whistle Station was registered as a national Tangible Cultural Property.

2016 : Inubosaki Lighthouse was registered as an Industrial heritage of Chiba prefecture

2020 : Inubosaki Lighthouse was registered as a national Important Cultural Property.

The Inubosaki Lighthouse is a loved symbol of the local community and is used for a variety of projects: Handrail at Choshi fishing port, mascot character of Choshi city, stamp, etc.

2010: Inubosaki Lighthouse was registered as a national Tangible Cultural Property of Japan
2014: An old Fog Whistle Station was registered as a national Tangible Cultural Property
2020: Inubosaki Lighthouse was registered as a national Important Cultural Property

※ the first case from among lighthouses in service
Number of Important Cultural Properties(structure) is 2,445.

Inubosaki Brunton Society : The Society was established in May 1995 mainly by citizens who have various interests in Inubosaki Lighthouse.
The objectives of this project are to study various aspects of Inubosaki Lighthouse, to preserve its dynamic state, to trace the personality and achievements of Mr. Brunton, who is respected as a “father of Japanese lighthouses”and honor the distinctive features of the lighthouse and Mr. Brunton’s legacy while also using them for town planning.

Inubosaki Lighthouse Maiden Training Course (6 times in total) : Enjoy learning, protecting, and conveying the history and attractiveness of Inubosaki Lighthouse, and acquire the ability necessary to popularize the lighthouse. (Organized by Inubosaki Brunton Society)

Lighthouse World Summit in Choshi : Held by four cities in Japan taking turns. Lighthouse photo exhibition and special opening to the public of lighthouse at night.

On Children’s Day(May 5) : Hanging koi-nobori (carp streamers) at Inubosaki Lighthouse.

Other : Commemorating the 140th anniversary, local elementary school students saved messages for the future (time capsule).