Imo Saki Lighthouse
Location & Light Range
About Imo Saki Lighthouse
This lighthouse is a cylindrical concrete tower, painted white, standing 10 meters tall. It was built and first lit in 1977. The structure consists of the round tower attached to a single-story equipment room. Located at the tip of a long peninsula projecting into the south side of Asō Bay, it is situated in Nagasaki Prefecture, near Tsushima. The light emits a single white flash every 3 seconds and has a geographic range of 11.3 nautical miles. The site is open to the public, but the tower itself is closed.
Why it matters: This lighthouse is essential for mariners navigating the southern part of Asō Bay, clearly marking the peninsula's extreme point.
Light & Optic
- Flash Type
- Flashing
- Light Color
- White
- Interval
- 3s
- Raw Code
- Fl W 3s
- Focal Height
- 13m
- Geographic Range
- 11.3NM
Construction & History
- Year Built
- 1977
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 10m
- Tower Shape
- cylindrical
- Tower Color
- white
- Material
- concrete
Structure: round concrete tower attached to a small 1-story equipment room
Location
- City
- Tsushima
- Country
- 🇯🇵Japan
- Region
- Nagasaki Prefecture
- Sea Region
- Located at the tip of a long peninsula projecting into the south side of Asō Bay.
- Latitude
- 34.3282°
- Longitude
- 129.2667°
References & Identifiers
- Nearest Port
- Hirugaura(0.6 km)
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