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Ajigasawa Town Lighthouses Lighthouse

Iso Red 6s🇯🇵Ajigasawa, JPOperational

Location & Light Range

About Ajigasawa Town Lighthouses Lighthouse

This red, cylindrical concrete lighthouse was built in 1938 and first lit in the same year. Standing 11 meters tall, its focal height reaches 13 meters above sea level. The lighthouse emits an isophase red light, with a 3-second on and 3-second off cycle, visible for 11.3 nautical miles. It is situated on the outer breakwater of Ajigasawa Port, marking the entrance. The site is open to the public, but the tower itself is closed.

Why it matters: The lighthouse is essential for the safe navigation of vessels entering and exiting Ajigasawa Port, specifically marking the western breakwater and preventing collisions with harbor infrastructure.

Light & Optic

Characteristic Signature
Iso Red 6s
Flash Type
Isophase
Light Color
Red
Interval
6s
Raw Code
Iso R 6s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
1938

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Ajigasawa
Country
🇯🇵Japan
Region
Aomori Prefecture
Sea Region
Located on the outer breakwater at Ajigasawa Port (West Breakwater), Japan.
Latitude
40.7851°
Longitude
140.2054°

References & Identifiers

Nearest Port
Ajigasawa(0.9 km)
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Frequently Asked Questions

How do mariners identify Ajigasawa Town Lighthouses Lighthouse at night?+
Ajigasawa Town Lighthouses displays the characteristic Iso Red 6s. 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 Ajigasawa Town Lighthouses Lighthouse guide vessels into?+
Ajigasawa Town Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Ajigasawa at 0.3 NM to the SE. Other ports served include Fukaura, Aomori (15.3 NM WSW), Kodomari, Aomori (21.5 NM NNE), Odomari (21.7 NM NNE), Aomori (24.3 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ajigasawa Town Lighthouses Lighthouse still active and maintained?+
Yes, Ajigasawa Town Lighthouses 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 Ajigasawa Town Lighthouses Lighthouse?+
Ajigasawa Town Lighthouses 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 Ajigasawa Town Lighthouses Lighthouse?+
You can track vessels near Ajigasawa Town Lighthouses 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.