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Haengdamdo Lighthouse

Fl Red 6s🇰🇷Dangjin-si, KROperational

Location & Light Range

About Haengdamdo Lighthouse

This steel lighthouse, completed in 2006, stands 17 meters tall on an island north of the western end of the Seohae bridge. Its latticed tower, painted red, features a unique curved design that forms a loop at the top. The structure's focal height is 12 meters, and it emits a single red flash every six seconds, visible for 11 nautical miles. The lighthouse was constructed from steel and serves as a navigational aid. Access to the island is by boat.

Why it matters: This lighthouse is notable for its highly unusual sculptural design that doubles as a navigational aid, helping to mark the waters near the Seohae bridge.

Light & Optic

Characteristic Signature
Fl Red 6s
Flash Type
Flashing
Light Color
Red
Interval
6s
Raw Code
Fl R 6s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
2006

References & Identifiers

Nearest Port
Pyeongtaek(7.6 km)
Admiralty No.
M4158.965
NGA No.
17913.1

Tower & Structure

Tower Height
17m
Tower Shape
latticed
Tower Color
red
Material
steel

Structure: steel sculpture; the tower is curved gracefully forming a loop at the top

Location

City
Dangjin-si
Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
island just north of the west (Dangjin) end of the Seohae bridge
Latitude
36.9484°
Longitude
126.7985°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Haengdamdo Lighthouse at night?+
Haengdamdo displays the characteristic Fl Red 6s. 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 Haengdamdo Lighthouse guide vessels into?+
Haengdamdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Dangjin at 1.3 NM to the NNW. Other ports served include Pyeongtaek (2.7 NM N), DANGJIN (15.5 NM WNW), Daesan/Seosan (20.3 NM WNW), Taean-gun (26.9 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Haengdamdo Lighthouse still active and maintained?+
Yes, Haengdamdo 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 Haengdamdo Lighthouse?+
You can track vessels near Haengdamdo 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.