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Gajinyeo Lighthouse

Fl Red 5s🇰🇷Incheon, KROperational

Location & Light Range

About Gajinyeo Lighthouse

Gajinyeo Lighthouse stands 15 meters tall as a red, cylindrical concrete tower. It is situated in the channel between Ganghwado and Seongmodo, islands west of Ganghwado. The lighthouse emits a red light that flashes once every 5 seconds. Its focal height is also 15 meters, providing a geographic range of 11.9 nautical miles. The site is open to visitors, offering views of the surrounding maritime environment, but the tower itself is closed to the public. Access to the lighthouse is exclusively by boat.

Why it matters: This lighthouse is essential for safe navigation through the channel between Ganghwado and Seongmodo, a busy waterway for local shipping.

Light & Optic

Characteristic Signature
Fl Red 5s
Flash Type
Flashing
Light Color
Red
Interval
5s
Raw Code
Fl R 5s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Incheon
Country
🇰🇷South Korea
Region
Ganghwa-gun
Sea Region
channel between Ganghwado and Seongmodo, largest of the islands west of Ganghwado
Latitude
37.6938°
Longitude
126.3812°

References & Identifiers

Nearest Port
Incheon(18.0 km)
Admiralty No.
M4147.
NGA No.
M4147

Tower & Structure

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

Structure: round cylindrical concrete tower, painted red

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 Gajinyeo Lighthouse at night?+
Gajinyeo displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Gajinyeo Lighthouse guide vessels into?+
Gajinyeo Lighthouse assists vessels approaching 5 nearby ports. The closest is Gyeongin at 14.2 NM to the SE. Other ports served include Incheon (17.7 NM SSE), BUCHEON (21.1 NM ESE), Seoul (28.3 NM ESE), Yeonpyeongdo (32.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gajinyeo Lighthouse still active and maintained?+
Yes, Gajinyeo 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 Gajinyeo Lighthouse?+
You can track vessels near Gajinyeo 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.