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Janggodo Hang Breakwater Lighthouse

Fl Green 4s🇰🇷Boryeong-si, KROperational

Location & Light Range

About Janggodo Hang Breakwater Lighthouse

This white, cylindrical concrete tower stands 6 meters tall and emits a green flash every 4 seconds. Its focal height reaches 8 meters above sea level, providing a geographic range of 9.7 nautical miles. The lighthouse is situated directly on the main breakwater of the harbor of Janggodo, serving the port of Boryeong. While the site is open to visitors, the tower itself is closed to the public. The nearest port, Boryeong, is 6.7 kilometers away.

Why it matters: The lighthouse clearly delineates the main breakwater, guiding local vessels safely into Janggodo harbor and preventing groundings and collisions.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
8m
Geographic Range
9.7NM

Location

City
Boryeong-si
Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
main breakwater of the harbor of Janggodo
Latitude
36.3905°
Longitude
126.3437°

References & Identifiers

Nearest Port
Boryeong(6.7 km)
Admiralty No.
M4185.1
NGA No.
17827.5

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower

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 Janggodo Hang Breakwater Lighthouse at night?+
Janggodo Hang Breakwater displays the characteristic Fl Green 4s. 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 Janggodo Hang Breakwater Lighthouse guide vessels into?+
Janggodo Hang Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Boryeong at 6.5 NM to the E. Other ports served include Daecheon (8.8 NM ESE), Biin (17.8 NM SSE), Gunsan (27.3 NM SSE), Janghang/Seocheon-gun (28.4 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Janggodo Hang Breakwater Lighthouse still active and maintained?+
Yes, Janggodo 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 Janggodo Hang Breakwater Lighthouse?+
You can track vessels near Janggodo 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.