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Kominato Kō Lighthouse

Fl Red 3s🇯🇵Kamogawa, JPOperational

Location & Light Range

About Kominato Kō Lighthouse

This cylindrical concrete lighthouse stands 9.5 meters tall with its focal plane at 9 meters. It displays a red light with one red flash every 3 seconds. The tower is white with a single black horizontal band and is positioned on a square concrete pier. Located in Kamogawa, within the Kominato Kō harbor, it is situated west of the east breakwater lighthouse. The site is open to the public, though the tower itself cannot be entered.

Why it matters: This light is essential for local fishing fleets and other harbor traffic navigating the Kominato Kō area, particularly in relation to the east breakwater.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
9m
Geographic Range
10NM

Location

City
Kamogawa
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
Kominato Kō harbor, west of the east breakwater lighthouse
Latitude
35.1213°
Longitude
140.1945°

References & Identifiers

Nearest Port
Katsuura, Chiba(5.8 km)
Admiralty No.
M6469
NGA No.
4848
ARLHS No.
JPN-1325

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white with one black horizontal band
Material
concrete

Structure: round red concrete tower mounted on a square concrete pier

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 Kominato Kō Lighthouse at night?+
Kominato 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 Kominato Kō Lighthouse guide vessels into?+
Kominato Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Okitsu, Chiba at 2.9 NM to the ENE. Other ports served include Abuto (5.3 NM WSW), Wakura (6.7 NM ENE), Wada (10.2 NM WSW), Kazusaminato (17.1 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kominato Kō Lighthouse still active and maintained?+
Yes, Kominato 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 Kominato Kō Lighthouse?+
Kominato 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 Kominato Kō Lighthouse?+
You can track vessels near Kominato 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.