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Kame Iwa Lighthouse

Fl Red 8s🇯🇵Kaminoseki, JPOperational

Location & Light Range

About Kame Iwa Lighthouse

This 15-meter-tall, red, cylindrical concrete tower is situated on a rocky reef about 400 meters from the northern edge of Naga Shima. Atop the structure, which includes a lantern and gallery, the light is positioned 14 meters above sea level. The light characteristic is a single red flash every 8 seconds, visible for 11.6 nautical miles. The grounds may be visited, but the tower is not open to the public. It is reachable by boat from Murotsu, Yamaguchi, 2.5 kilometers distant.

Why it matters: The lighthouse warns of a shallow reef extending from the northern point of Naga Shima, serving as a navigation aid for ships in the area.

Light & Optic

Characteristic Signature
Fl Red 8s
Flash Type
Flashing
Light Color
Red
Interval
8s
Raw Code
Fl R 8s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Kaminoseki
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Sea Region
rocky reef about 400 m off the northern point of Naga Shima
Latitude
33.8616°
Longitude
132.0751°

References & Identifiers

Nearest Port
Murotsu, Yamaguchi(2.5 km)
Admiralty No.
M5408
NGA No.
9456

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower wth lantern and gallery

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 Kame Iwa Lighthouse at night?+
Kame Iwa displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Kame Iwa Lighthouse guide vessels into?+
Kame Iwa Lighthouse assists vessels approaching 5 nearby ports. The closest is Hirao at 6 NM to the NNE. Other ports served include Yanai (6 NM NNE), Hikari (9.3 NM NW), Kuka (10.7 NM ENE), Tsuzu Yamaguchi (12.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kame Iwa Lighthouse still active and maintained?+
Yes, Kame 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 Kame Iwa Lighthouse?+
Kame 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 Kame Iwa Lighthouse?+
You can track vessels near Kame 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.