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Geumjin Hang Groyne Lighthouse

Fl Green 5s🇰🇷Gangneung-si, KROperational

Location & Light Range

About Geumjin Hang Groyne Lighthouse

This white, cylindrical concrete tower stands 10 meters tall at the end of Geumjin harbor's south breakwater. Its focal plane is 12 meters above the water, casting a green light with a 5-second flash cycle. The structure provides a geographic range of 11 nautical miles. It is situated about 16 kilometers north of Donghae, marking the entrance to Geumjin harbor. The nearest port is Okgye/Gangneung, approximately 0.9 kilometers away.

Why it matters: This light is important for local fishing vessels navigating the entrance to Geumjin harbor, particularly during periods of low visibility or at night.

Light & Optic

Characteristic Signature
Fl Green 5s
Flash Type
Flashing
Light Color
Green
Interval
5s
Raw Code
Fl G 5s
Focal Height
12m
Geographic Range
11NM

Location

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
end of the south breakwater of Geumjin harbor, about 16 km north of Donghae
Latitude
37.6479°
Longitude
129.0506°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower, painted white

References & Identifiers

Nearest Port
Okgye/Gangneung(0.9 km)
Admiralty No.
M4449.35
NGA No.
16450
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Frequently Asked Questions

How do mariners identify Geumjin Hang Groyne Lighthouse at night?+
Geumjin Hang Groyne displays the characteristic Fl Green 5s. 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 Geumjin Hang Groyne Lighthouse guide vessels into?+
Geumjin Hang Groyne Lighthouse assists vessels approaching 5 nearby ports. The closest is Okgye/Gangneung at 1.5 NM to the SSE. Other ports served include Mukho/Donghae (6.8 NM SSE), Tonghae (7.3 NM SSE), Bupyong/Incheon (9.7 NM SSE), Donghae (10.1 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Geumjin Hang Groyne Lighthouse still active and maintained?+
Yes, Geumjin Hang Groyne 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 Geumjin Hang Groyne Lighthouse?+
Geumjin Hang Groyne 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 Geumjin Hang Groyne Lighthouse?+
You can track vessels near Geumjin Hang Groyne 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.