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Osatsubetsu Kō Lighthouse

🇯🇵Hakodate, JPOperational

Location & Light Range

About Osatsubetsu Kō Lighthouse

Also known as: Osatsube

The Osatsubetsu (Osatsube) Kō lighthouse is a concrete post rising 9 meters, attached to a square, one-story concrete equipment building. Its focal height reaches 11 meters, casting a light visible for 10.7 nautical miles. This structure marks the entrance to Osatsubetsu Port in Hokkaido Prefecture, near Hakodate. The lighthouse operates on a steady white light, a constant signal for vessels navigating the waters. While the site is open to the public, offering views of the port, the tower itself remains closed to visitors.

Why it matters: This lighthouse is indispensable for the local fishing community and other maritime traffic utilizing Osatsubetsu Port, ensuring safe navigation through its entrance.

Light & Optic

Focal Height
11m
Geographic Range
10.7NM

Location

City
Hakodate
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Osatsubetsu Port, Japan, marking the harbor entrance
Latitude
41.8946°
Longitude
141.0129°

References & Identifiers

Nearest Port
Usujiri(3.9 km)
ARLHS No.
JPN-944

Tower & Structure

Tower Height
9m
Tower Shape
square
Material
concrete

Structure: concrete post attached to a square 1-story concrete equipment building

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

Which ports and harbors does Osatsubetsu Kō Lighthouse guide vessels into?+
Osatsubetsu Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Usujiri at 3.9 NM to the NW. Other ports served include Odoh (8.2 NM ESE), Todohokke (8.2 NM ESE), Toyoura (9.5 NM SSE), Date (14.8 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Osatsubetsu Kō Lighthouse still active and maintained?+
Yes, Osatsubetsu Kō 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 Osatsubetsu Kō Lighthouse?+
Osatsubetsu Kō 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 Osatsubetsu Kō Lighthouse?+
You can track vessels near Osatsubetsu Kō 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.