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Cheonggangyeo Lighthouse

Fl (9) White 15s🇰🇷Gunsan-si, KROperational

Location & Light Range

About Cheonggangyeo Lighthouse

This cylindrical concrete tower stands 21 meters tall and is painted yellow with a single black horizontal band. Its focal height is 17 meters, and it emits a white light with one flash every 15 seconds. The lighthouse is situated on a shoal approximately 1 kilometer north of Gaeyado, an island off the coast. It is located in the Jeonbuk State region of South Korea, near the city of Gunsan-si. The structure provides a geographic range of 12.4 nautical miles. Access to the lighthouse is only possible by boat.

Why it matters: The lighthouse marks a shoal located north of Gaeyado, aiding navigation for vessels approaching the nearest port of Gunsan, which is 4 kilometers away.

Light & Optic

Characteristic Signature
Fl (9) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
9 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Gunsan-si
Country
🇰🇷South Korea
Region
Jeonbuk State
Sea Region
shoal about 1 km north of Gaeyado
Latitude
36.0530°
Longitude
126.5419°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
21m
Tower Shape
cylindrical
Tower Color
yellow with one black horizontal band
Material
concrete

Structure: round concrete tower painted yellow with one black horizontal band

References & Identifiers

Nearest Port
Gunsan(4.0 km)
Admiralty No.
M4190.75
NGA No.
17760.6
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Frequently Asked Questions

How do mariners identify Cheonggangyeo Lighthouse at night?+
Cheonggangyeo displays the characteristic Fl (9) White 15s — 9 white flashes every 15 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 Cheonggangyeo Lighthouse guide vessels into?+
Cheonggangyeo Lighthouse assists vessels approaching 5 nearby ports. The closest is Biin at 4.8 NM to the NW. Other ports served include Gunsan (4.9 NM SSE), Janghang/Seocheon-gun (7.6 NM ESE), Daecheon (16 NM N), Boryeong (21 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cheonggangyeo Lighthouse still active and maintained?+
Yes, Cheonggangyeo 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.
How can I track vessels near Cheonggangyeo Lighthouse?+
You can track vessels near Cheonggangyeo 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.