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Menashidomari Kō Lighthouse

Fl Red 4s🇯🇵Esashi, JPOperational

Location & Light Range

About Menashidomari Kō Lighthouse

Menashidomari Kō is a red, cylindrical concrete tower standing 11 meters tall at the end of the west breakwater of Menashidomari port. The light, visible for 11.6 nautical miles, emits a red flash every 4 seconds. This structure, with a lantern and gallery, rises to a focal height of 14 meters. The port itself is sheltered on its west side by Cape Kamui. The lighthouse site is open to visitors, though the tower is closed to the public.

Why it matters: This lighthouse marks the end of the west breakwater, guiding vessels into the sheltered port of Menashidomari.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Esashi
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located at the end of the west breakwater of Menashidomari, a small port sheltered on the west by Cape Kamui.
Latitude
45.0370°
Longitude
142.5156°

References & Identifiers

Nearest Port
Omu(33.1 km)
Admiralty No.
M6894.6
NGA No.
0208
ARLHS No.
JPN-891

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
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 Menashidomari Kō Lighthouse at night?+
Menashidomari Kō displays the characteristic Fl Red 4s. 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 Menashidomari Kō Lighthouse guide vessels into?+
Menashidomari Kō Lighthouse assists vessels approaching 4 nearby ports. The closest is Hamasarufutsu at 18.3 NM to the NW. Other ports served include Nishibe (23.5 NM NW), Onishi (23.5 NM NW), Teshio (34.3 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Menashidomari Kō Lighthouse still active and maintained?+
Yes, Menashidomari 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 Menashidomari Kō Lighthouse?+
You can track vessels near Menashidomari 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.