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Gunsan Groyne North Head Lighthouse

Fl Red 4s🇰🇷Gunsan-si, KROperational

Gunsan Groyne North Head is a 20-meter concrete tower situated at the northeastern extent of Geumrando island, within Gunsan harbor. The structure is a square pyramidal form, finished in black with one red horizontal band, and displays a marked westward inclination. Its red light flashes once every 4 seconds, positioned at a focal height of 31 meters. The lighthouse offers a geographic range of 15.5 nautical miles. Access to the site is permitted, though the tower itself remains inaccessible.

Why it matters: This lighthouse marks the entrance to Gunsan harbor, serving as a reference point for vessels approaching or departing the port.

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
31m
Geographic Range
15.5NM
City
Gunsan-si
Country
🇰🇷South Korea
Region
Jeonbuk State
Sea Region
Gunsan harbor, northeastern tip of Geumrando island
Latitude
35.9906°
Longitude
126.6996°
Nearest Port
Janghang/Seocheon-gun(0.8 km)
Admiralty No.
M4202
NGA No.
17796
Tower Height
20m
Tower Shape
square
Tower Color
black with one red horizontal band
Material
concrete

Structure: square pyramidal red concrete tower, built with a strong slant to the west

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify Gunsan Groyne North Head Lighthouse at night?+
Gunsan Groyne North Head displays the characteristic Fl Red 4s. 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 Gunsan Groyne North Head Lighthouse guide vessels into?+
Gunsan Groyne North Head Lighthouse assists vessels approaching 5 nearby ports. The closest is Janghang/Seocheon-gun at 1.2 NM to the NNW. Other ports served include Gunsan (5.6 NM W), Biin (12.9 NM NW), Daecheon (21.8 NM NNW), Boryeong (26.7 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gunsan Groyne North Head Lighthouse still active and maintained?+
Yes, Gunsan Groyne North Head 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 Gunsan Groyne North Head Lighthouse?+
You can track vessels near Gunsan Groyne North Head 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.