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Mutsu Lighthouse

Fl W 7s🇯🇵Northern Honshū, JPOperational

Location & Light Range

About Mutsu Lighthouse

This white, round concrete tower stands 32 meters tall in Northern Honshū. The lighthouse displays a single white flash every 7 seconds. Its light has a geographic range of 7 nautical miles.

Light & Optic

Characteristic Signature
Fl W 7s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
7s
Raw Code
Fl.W. period 7s
Focal Height
42m
Geographic Range
7NM

Location

City
Northern Honshū
Country
🇯🇵JP
Latitude
41.0162°
Longitude
140.8719°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
32m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 32

References & Identifiers

Admiralty No.
M6643
NGA No.
3760
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Frequently Asked Questions

How do mariners identify Mutsu Lighthouse at night?+
Mutsu displays the characteristic Fl W 7s — 1 white flash every 7 seconds. 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.
Which ports and harbors does Mutsu Lighthouse guide vessels into?+
Mutsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Taki at 6.1 NM to the SE. Other ports served include Wakinosawa (8.1 NM NNW), Aomori (12.1 NM SSW), Kawauchi (12.1 NM NNE), Tairadate (12.3 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mutsu Lighthouse still active and maintained?+
Yes, Mutsu 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 Mutsu Lighthouse?+
Mutsu 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 Mutsu Lighthouse?+
You can track vessels near Mutsu 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.