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Yobetsu Kō Lighthouse

Fl Red 3s🇯🇵Shakotan, JPOperational

Location & Light Range

About Yobetsu Kō Lighthouse

Also known as: Raikishi

This active lighthouse, a round cylindrical concrete tower, stands 10 meters tall with its light positioned 12 meters above sea level. It emits a single red flash every 3 seconds, visible for 11 nautical miles. The structure includes a lantern and gallery. The lighthouse is located at Yobetsu (Raikishi) Port in Shakotan, Hokkaido Prefecture, Japan. While the site is open to visitors, the tower itself is closed to the public. Its nearest port is Furubira, 11 kilometers away.

Why it matters: The Yobetsu (Raikishi) Kō Lighthouse guides vessels into Yobetsu Port, particularly benefiting the local fishing fleet by indicating the safe channel.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
12m
Geographic Range
11NM

Location

City
Shakotan
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located at Yobetsu (Raikishi) Port in Japan.
Latitude
43.3300°
Longitude
140.3996°

References & Identifiers

Nearest Port
Furubira(11.0 km)
ARLHS No.
JPN-1019

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Yobetsu Kō Lighthouse at night?+
Yobetsu Kō displays the characteristic Fl Red 3s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Yobetsu Kō Lighthouse guide vessels into?+
Yobetsu Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Furubira at 11 NM to the ESE. Other ports served include Yoichi (18.3 NM ESE), Iwanai (20.9 NM SSE), Otaru (28.1 NM ESE), Suttsu (32.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yobetsu Kō Lighthouse still active and maintained?+
Yes, Yobetsu 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.
How can I track vessels near Yobetsu Kō Lighthouse?+
You can track vessels near Yobetsu 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.