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Kaijikake Iwa Lighthouse

Fl Green 8s🇯🇵Kaminoseki, JPOperational

Location & Light Range

About Kaijikake Iwa Lighthouse

Also known as: Kazekaki

This green, cylindrical concrete tower stands 11 meters tall and has a focal height of 13 meters. Its structure features a round concrete tower that flares strongly at the top, mounted on a round concrete pier. The lighthouse emits a single green flash every eight seconds, visible for 11.3 nautical miles. The site is open to the public, though the tower itself is closed. It is located in Kaminoseki, Yamaguchi Prefecture, Japan, near the port of Murotsu.

Why it matters: This lighthouse marks a specific rock hazard, which is critical for vessels navigating the local Japanese waters and helps prevent groundings.

Light & Optic

Characteristic Signature
Fl Green 8s
Flash Type
Flashing
Light Color
Green
Interval
8s
Raw Code
Fl G 8s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Kaminoseki
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Latitude
33.8325°
Longitude
132.1467°

References & Identifiers

Nearest Port
Murotsu, Yamaguchi(1.6 km)
Admiralty No.
M5627
NGA No.
9220

Tower & Structure

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

Structure: round concrete tower, flared strongly at the top and mounted on a round 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 Kaijikake Iwa Lighthouse at night?+
Kaijikake Iwa displays the characteristic Fl Green 8s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Kaijikake Iwa Lighthouse guide vessels into?+
Kaijikake Iwa Lighthouse assists vessels approaching 5 nearby ports. The closest is Hirao at 7.1 NM to the N. Other ports served include Yanai (7.1 NM N), Kuka (9.2 NM NE), Hikari (13.2 NM NW), Tsuzu Yamaguchi (13.3 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kaijikake Iwa Lighthouse still active and maintained?+
Yes, Kaijikake Iwa 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 Kaijikake Iwa Lighthouse?+
Kaijikake Iwa 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 Kaijikake Iwa Lighthouse?+
You can track vessels near Kaijikake Iwa 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.