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Kamoenai Kō Lighthouse

Iso Green 4s🇯🇵Kamoenai, JPOperational

Location & Light Range

About Kamoenai Kō Lighthouse

This white, cylindrical concrete tower stands 10 meters tall, with its light positioned 14 meters above sea level. It marks the end of a large breakwater pier in Kamoenai, on the south side of the Shakotan peninsula. The lighthouse emits an isophase green light, which cycles every 4 seconds. Its geographic range extends to 11.6 nautical miles. The structure features a lantern and gallery at its summit.

Why it matters: The lighthouse is essential for local fishing vessels and coastal traffic, clearly marking the breakwater pier at Kamoenai. Its green light aids safe entry and exit from the harbor, especially during periods of low visibility or at night.

Light & Optic

Characteristic Signature
Iso Green 4s
Flash Type
Isophase
Light Color
Green
Interval
4s
Raw Code
Iso G 4s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Kamoenai
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Kamoenai, on the south side of the Shakotan peninsula, marking the end of a large breakwater pier.
Latitude
43.1432°
Longitude
140.4247°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Iwanai(9.8 km)
ARLHS No.
JPN-888
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Frequently Asked Questions

How do mariners identify Kamoenai Kō Lighthouse at night?+
Kamoenai Kō displays the characteristic Iso Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Kamoenai Kō Lighthouse guide vessels into?+
Kamoenai Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Iwanai at 9.9 NM to the SSE. Other ports served include Furubira (12.2 NM NE), Yoichi (16.1 NM ENE), Suttsu (22.3 NM SSW), Otaru (26.2 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kamoenai Kō Lighthouse still active and maintained?+
Yes, Kamoenai 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 Kamoenai Kō Lighthouse?+
You can track vessels near Kamoenai 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.