Tobase Shima Lighthouse
Location & Light Range
About Tobase Shima Lighthouse
This lighthouse, built in 1898 of stone, stands as a cylindrical white tower 8 meters tall. Its focal height reaches 33 meters, offering a geographic range of 15.9 nautical miles. The structure includes a lantern and gallery, attached to a 1-story stone keeper's cottage. In 2009, the original Fresnel lens was replaced with a modern LED optic. The historic lens is now displayed at the Ryujokan Museum in Uki. The site is open to the public, but the tower remains closed.
Why it matters: The lighthouse delineates the entrance from Yatsushiro Bay to the Misumi Strait, a critical northern passage. Its construction reflects regional maritime development following Japan's acquisition of Taiwan.
Light & Optic
- Flash Type
- Occulting
- Light Color
- White
- Interval
- 6s
- Raw Code
- Oc W 6s
- Focal Height
- 33m
- Geographic Range
- 15.9NM
Construction & History
- Year Built
- 1898
Significant events: Modern LED optic installed (2009), original Fresnel lens moved to Ryujokan Museum in Uki (2009)
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 8m
- Tower Shape
- cylindrical
- Tower Color
- white
- Material
- stone
Structure: round stone tower with lantern and gallery, attached to a small 1-story stone keeper's cottage
Location
- City
- Uki
- Country
- 🇯🇵Japan
- Region
- Kumamoto Prefecture
- Sea Region
- Marks the entrance from Yatsushiro Bay to the narrow Misumi Strait, the northern entrance to the bay, located at the southern tip of Tobase Shima island.
- Latitude
- 32.5764°
- Longitude
- 130.4884°
References & Identifiers
- Nearest Port
- Misumi, Kumamoto(2.1 km)
- ARLHS No.
- JPN-655
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