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Mitsuishi Lighthouse

Fl White 3s🇯🇵Kure, JPOperational

Location & Light Range

About Mitsuishi Lighthouse

Also known as: Mitsuishi (Mitsu Ishi, Mitu Isi)

Constructed in 1927, the Mitsuishi Lighthouse is a white, cylindrical concrete tower standing 9.5 meters tall. It is situated on a reef about 4 kilometers south of Kurahashi Shima, within the Seto Inland Sea. The lighthouse emits a single white flash every 3 seconds from a focal height of 16 meters, visible for 12.2 nautical miles. The structure includes a lantern and gallery, and the site is accessible to the public, though the tower itself remains closed. Its nearest port is Tainouchi, 5.3 kilometers away.

Why it matters: This lighthouse is essential for maritime safety, alerting vessels to a significant reef hazard in a critical part of the Seto Inland Sea. Its location facilitates the secure transit of ships through this busy and intricate maritime channel.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
16m
Geographic Range
12.2NM

Construction & History

Year Built
1927

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: square cylindrical concrete tower with lantern and gallery

Location

City
Kure
Country
🇯🇵Japan
Region
Hiroshima Prefecture
Sea Region
Seto Inland Sea, marking a major hazard on a reef about 4 km south of Kurahashi Shima.
Latitude
34.0290°
Longitude
132.5546°

References & Identifiers

Nearest Port
Tainouchi(5.3 km)
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Frequently Asked Questions

How do mariners identify Mitsuishi Lighthouse at night?+
Mitsuishi displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Mitsuishi Lighthouse guide vessels into?+
Mitsuishi Lighthouse assists vessels approaching 5 nearby ports. The closest is Osako at 5.1 NM to the N. Other ports served include Tainouchi (5.2 NM N), Ryohshida (7.1 NM NNW), Ihota (7.6 NM SW), Okunouchi (7.7 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mitsuishi Lighthouse still active and maintained?+
Yes, Mitsuishi 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 Mitsuishi Lighthouse?+
Mitsuishi 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 Mitsuishi Lighthouse?+
You can track vessels near Mitsuishi 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.