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Kamo Shima Lighthouse

Fl (2) White 12s🇯🇵Ama, JPOperational

Location & Light Range

About Kamo Shima Lighthouse

This cylindrical concrete tower stands 12 meters tall, with its light positioned 14 meters above sea level. Painted black with a single red horizontal band, the structure features a round tower with a gallery. It emits a white flash every 12 seconds, visible for 11.6 nautical miles. Located on a reef north of Nakanoshima, the lighthouse marks a passage separating this island from Nishinoshima. The surrounding waters are known for numerous rock formations emerging from the sea.

Why it matters: The light guides vessels through the strait between Nakanoshima and Nishinoshima, helping them navigate the many rock formations in the area.

Light & Optic

Characteristic Signature
Fl (2) White 12s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
12s
Raw Code
Fl W 12s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Ama
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
Located on a reef off the north coast of Nakanoshima, guiding vessels in the strait separating Nakanoshima from Nishinoshima. The area around this light features numerous rock formations looming above the water.
Latitude
36.1201°
Longitude
133.0959°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round tower with gallery, painted black with one red horizontal band

References & Identifiers

Nearest Port
Suwa(1.2 km)
Admiralty No.
M7321.77
NGA No.
2148
ARLHS No.
JPN-285
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Frequently Asked Questions

How do mariners identify Kamo Shima Lighthouse at night?+
Kamo Shima displays the characteristic Fl (2) White 12s — 2 white flashes every 12 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Kamo Shima Lighthouse guide vessels into?+
Kamo Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Ama, Hyogo at 1.1 NM to the SSW. Other ports served include Nakanoshima (1.3 NM SW), Beppu, Shimane (2.6 NM WSW), Chichii (2.8 NM SSE), Minami (3 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kamo Shima Lighthouse still active and maintained?+
Yes, Kamo Shima 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 Kamo Shima Lighthouse?+
Kamo Shima 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 Kamo Shima Lighthouse?+
You can track vessels near Kamo Shima 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.