Ushimado Kō Breakwater Lighthouse
Location & Light Range
About Ushimado Kō Breakwater Lighthouse
Also known as: #Ushimado Kō Breakwater
This green flashing light marks the end of a detached breakwater at Ushimado, Japan. Built in 1950, the original structure was an 8-meter white concrete post. It was replaced around 2020 with a modern system. The current light emits a green flash every 3 seconds from a focal height of 12 meters. The octagonal concrete tower stands 8 meters tall and has a geographic range of 11 nautical miles. The site is open to visitors who can reach it by boat, though the tower itself is closed.
Why it matters: This light serves as a critical marker for vessels navigating into Ushimado port, guiding them clear of the detached breakwater.
Light & Optic
- Flash Type
- Flashing
- Light Color
- Green
- Interval
- 3s
- Raw Code
- Fl G 3s
- Focal Height
- 12m
- Geographic Range
- 11NM
Construction & History
- Year Built
- 1950
Significant events: Replaced around 2020
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 8m
- Tower Shape
- octagonal
- Tower Color
- white
- Material
- concrete
Structure: An 8m white post.
Location
- City
- Setouchi
- Country
- 🇯🇵Japan
- Region
- Okayama Prefecture
- Sea Region
- Located at the end of a detached breakwater at Ushimado, a small and very scenic port about 25 km east southeast of Okayama.
- Latitude
- 34.6145°
- Longitude
- 134.1651°
References & Identifiers
- Nearest Port
- Ushimado(0.7 km)
- Admiralty No.
- M5752
- NGA No.
- 7852
- ARLHS No.
- JPN-1904
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