Ako Kō Lighthouse
Location & Light Range
About Ako Kō Lighthouse
This concrete lighthouse, built in 1963, stood as a cylindrical tower 8.5 meters high on the north jetty at Ako harbor. It featured a round, hourglass-shaped structure and a focal height of 24 meters. The lighthouse had a geographic range of 5 nautical miles. It marked the entrance to Ako harbor on the southwest side of the island. The structure was removed in 1987 when the harbor was rebuilt and became inactive in 2012 before its demolition.
Why it matters: The lighthouse served to guide ships into Ako harbor.
Light & Optic
- Interval
- 2s
- Raw Code
- from front
- Focal Height
- 24m
- Geographic Range
- 5NM
Construction & History
- Year Built
- 1963
Significant events: removed in 1987 when the harbor was rebuilt, inactive since 2012, demolished
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 8.5m
- Tower Shape
- cylindrical
- Tower Color
- white
- Material
- concrete
Structure: round hourglass-shaped concrete tower
Location
- City
- Tokyo
- Country
- 🇯🇵Japan
- Region
- Miyake Subprefecture
- Sea Region
- on a spur of the north jetty at Ako harbor, on the southwest side of the island
- Latitude
- 34.0662°
- Longitude
- 139.4795°
References & Identifiers
- Nearest Port
- Mikurajima(11.4 km)
- Admiralty No.
- M6276.2
- NGA No.
- 4936
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