Okada Kō Lighthouse
Location & Light Range
About Okada Kō Lighthouse
Okada Kō Lighthouse, established in 1939, stands at the end of the breakwater quay at Okada, serving the ferry terminal for boats arriving at Izu Ōshima from Tōkyō. The current concrete tower, which replaced the original structure, is 10 meters high and features a distinctive round hourglass shape with a domed top. Its focal height is 14 meters, and it emits a green light with a single flash every 8 seconds. The lighthouse has a geographic range of 11.6 nautical miles. While the site is open to the public, the tower itself is closed to entry.
Why it matters: This lighthouse is essential for the safe navigation of ferries entering the Okada ferry terminal, connecting Tōkyō with Izu Ōshima.
Light & Optic
- Flash Type
- Flashing
- Light Color
- Green
- Flash Count
- 2 flashes
- Interval
- 8s
- Raw Code
- Fl G 8s
- Focal Height
- 14m
- Geographic Range
- 11.6NM
Construction & History
- First Lit
- 1939
Significant events: Original tower replaced
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 hourglass-shaped concrete tower with a domed top
Location
- City
- Tokyo
- Country
- 🇯🇵Japan
- Region
- Oshima Subprefecture
- Sea Region
- Located at the end of the breakwater quay at Okada, the ferry terminal for boats arriving at Izu Ōshima from Tōkyō.
- Latitude
- 34.7925°
- Longitude
- 139.3889°
References & Identifiers
- Nearest Port
- Ohshima, Tokyo(3.3 km)
- Admiralty No.
- M7125.5
- NGA No.
- 3202
- ARLHS No.
- JPN-478
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