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Oseto No. 1 Range Front Lighthouse

F Yellow 6s🇯🇵Kitakyushu, JPOperational

Location & Light Range

About Oseto No. 1 Range Front Lighthouse

This cylindrical metal tower, standing 18 meters high, was built in 1966. It guides eastbound vessels navigating the Oseto Strait. The light source is a panel of horizontal neon tubes within a triangular daymark, colored yellow. The structure is painted white and features a gallery. Its focal height is 40 meters, with a geographic range of 17.1 nautical miles. The site is open to the public, but the tower is closed.

Why it matters: This range front light is important for the safe passage of eastbound vessels through the Oseto Strait. Its unique design featuring horizontal neon tubes for illumination distinguishes it as a modern navigational aid.

Light & Optic

Characteristic Signature
F Yellow 6s
Flash Type
Fixed
Light Color
Yellow
Interval
6s
Raw Code
F Y
Focal Height
40m
Geographic Range
17.1NM

Construction & History

Year Built
1966

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
18m
Tower Shape
cylindrical
Tower Color
white
Material
metal

Structure: round cylindrical metal tower with gallery; the light is shown as a panel of horizontal neon tubes within a triangular daymark

Location

City
Kitakyushu
Country
🇯🇵Japan
Region
Fukuoka Prefecture
Sea Region
Located in the Oseto Strait, guiding eastbound vessels. It sits beside highway 3, approximately 300 meters south of the strait.
Latitude
33.8913°
Longitude
130.9117°

References & Identifiers

Nearest Port
Kokura(0.9 km)
Admiralty No.
M5340
NGA No.
9836
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Frequently Asked Questions

How do mariners identify Oseto No. 1 Range Front Lighthouse at night?+
Oseto No. 1 Range Front displays the characteristic F Yellow 6s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The yellow color may indicate a specific sector or warning zone.
Which ports and harbors does Oseto No. 1 Range Front Lighthouse guide vessels into?+
Oseto No. 1 Range Front Lighthouse assists vessels approaching 5 nearby ports. The closest is Kanmon at 0.6 NM to the NNE. Other ports served include Oku (1.5 NM WSW), Shimonoseki (2.7 NM NNE), Shinmoji (4.1 NM ESE), Tanoura/Kitakyushu (4.5 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oseto No. 1 Range Front Lighthouse still active and maintained?+
Yes, Oseto No. 1 Range Front Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Oseto No. 1 Range Front Lighthouse?+
Oseto No. 1 Range Front Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Oseto No. 1 Range Front Lighthouse?+
You can track vessels near Oseto No. 1 Range Front Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.