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Mutsu Bay Lighthouses Lighthouse

Fl White 5s🇯🇵Sotogahama, JPOperational

Location & Light Range

About Mutsu Bay Lighthouses Lighthouse

The Mutsu Bay Lighthouse is a white, cylindrical tower built in 1899, standing 22 meters tall. Its focal height reaches 23 meters, emitting a white flash every 5 seconds. Located on Myojin Saki, it marks the western entrance to the butterfly-shaped Mutsu Bay, which connects to the Tsugaru Strait via the Tairadate Strait. The lighthouse's geographic range is 13.8 nautical miles. The site is accessible to the public, though the tower remains closed.

Why it matters: This lighthouse is essential for vessels entering Mutsu Bay from the Tsugaru Strait, especially those heading for the port of Tairadate. It clearly defines Myojin Saki, a key navigational point, helping ships avoid hazards at the bay's mouth.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
23m
Geographic Range
13.8NM

Construction & History

Year Built
1899

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
22m
Tower Shape
cylindrical
Tower Color
white

Structure: round cylindrical tower with lantern and gallery

Location

City
Sotogahama
Country
🇯🇵Japan
Region
Aomori Prefecture
Sea Region
Located on Myojin Saki, a point of land on the north side of the town of Tairadate, on the west side of the entrance to Mutsu Bay. Mutsu Bay is a butterfly-shaped bay connected to Tsugaru Strait by the Tairadate Strait.
Latitude
41.1746°
Longitude
140.6428°

References & Identifiers

Nearest Port
Wakinosawa(8.5 km)
Admiralty No.
M6654
NGA No.
3716
ARLHS No.
JPN-800
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Frequently Asked Questions

How do mariners identify Mutsu Bay Lighthouses Lighthouse at night?+
Mutsu Bay Lighthouses displays the characteristic Fl White 5s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Mutsu Bay Lighthouses Lighthouse guide vessels into?+
Mutsu Bay Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Tairadate at 1.8 NM to the SE. Other ports served include Otomi (4.5 NM NW), Wakinosawa (8.4 NM ESE), Hotokegaura (11 NM NE), Minmaya (13.3 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mutsu Bay Lighthouses Lighthouse still active and maintained?+
Yes, Mutsu Bay 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 Mutsu Bay Lighthouses Lighthouse?+
Mutsu Bay 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 Mutsu Bay Lighthouses Lighthouse?+
You can track vessels near Mutsu Bay 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.