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Seonyudo Hang Breakwater Lighthouse

Fl Red 5s🇰🇷Gunsan-si, KROperational

Location & Light Range

About Seonyudo Hang Breakwater Lighthouse

A red, rectangular concrete tower, 12 meters in height and with a focal height of 12 meters, is built on the Seonyudo Hang breakwater in Gunsan-si, Jeonbuk State, South Korea. The structure, which resembles a hand, has a geographic range of 11 nautical miles. Its light shows a red flash every 5 seconds (Fl R 5s). The site is accessible to visitors, but the tower is closed to the public.

Why it matters: This structure marks the breakwater for vessels approaching Gunsan harbor, providing a reference point for navigation.

Light & Optic

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

Location

City
Gunsan-si
Country
🇰🇷South Korea
Region
Jeonbuk State
Sea Region
breakwater at the harbor of Bukdo
Latitude
35.8271°
Longitude
126.4183°

References & Identifiers

Nearest Port
Gunsan(12.1 km)
Admiralty No.
M4206.358.
NGA No.
M4206.358

Tower & Structure

Tower Height
12m
Tower Shape
rectangular
Tower Color
red
Material
concrete

Structure: rectangular red concrete tower fashioned to resemble a hand

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 Seonyudo Hang Breakwater Lighthouse at night?+
Seonyudo Hang Breakwater 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 Seonyudo Hang Breakwater Lighthouse guide vessels into?+
Seonyudo Hang Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Gunsan at 12.2 NM to the NE. Other ports served include Janghang/Seocheon-gun (16.9 NM NE), Sangwangdeungdo (17.5 NM SW), Biin (17.7 NM N), Daecheon (29.7 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Seonyudo Hang Breakwater Lighthouse still active and maintained?+
Yes, Seonyudo Hang Breakwater 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 Seonyudo Hang Breakwater Lighthouse?+
You can track vessels near Seonyudo Hang Breakwater 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.