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Jakeunguduldol Lighthouse

Fl Green 5s🇰🇷Incheon, KROperational

Location & Light Range

About Jakeunguduldol Lighthouse

A 12-meter-tall cylindrical concrete tower painted green marks the Jakeunguduldol lighthouse. Situated in the channel between Ganghwado and Seongmodo islands, its light has a geographic range of 10.7 nautical miles. The lighthouse emits a single green flash every 5 seconds. The site is accessible by boat, and while visitors may explore the grounds, the tower itself is closed to the public. It forms part of the navigational infrastructure within this island-dotted region.

Why it matters: This lighthouse guides vessels through the channel between Ganghwado and Seongmodo islands, a passage significant for local maritime activity and complex currents.

Light & Optic

Characteristic Signature
Fl Green 5s
Flash Type
Flashing
Light Color
Green
Interval
5s
Raw Code
Fl G 5s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Incheon
Country
🇰🇷South Korea
Region
Ganghwa-gun
Sea Region
channel between Ganghwado and Seongmodo, South Korea
Latitude
37.6746°
Longitude
126.3764°

References & Identifiers

Nearest Port
Incheon(17.1 km)
Admiralty No.
M4146.7.
NGA No.
M4146.7

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: round cylindrical concrete tower, painted green

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 Jakeunguduldol Lighthouse at night?+
Jakeunguduldol 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 Jakeunguduldol Lighthouse guide vessels into?+
Jakeunguduldol Lighthouse assists vessels approaching 5 nearby ports. The closest is Gyeongin at 13.6 NM to the SE. Other ports served include Incheon (16.7 NM SSE), BUCHEON (20.6 NM ESE), Seoul (28.1 NM ESE), Yeonpyeongdo (32.2 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jakeunguduldol Lighthouse still active and maintained?+
Yes, Jakeunguduldol 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 Jakeunguduldol Lighthouse?+
You can track vessels near Jakeunguduldol 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.