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Janggungdo Lighthouse

Fl (2) W 6s🇰🇷Yeosu, KROperational

Location & Light Range

About Janggungdo Lighthouse

The Janggungdo Lighthouse is a white and green octagonal tower constructed of fiberglass. Standing 10 meters tall, its light is situated 11 meters above the water. The lighthouse emits two white flashes every 6 seconds. This structure serves as a navigational aid with a reach of 8 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) W 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl.(2)W. period 6s
Focal Height
11m
Geographic Range
8NM

Location

City
Yeosu
Country
🇰🇷KR
Latitude
34.7338°
Longitude
127.7350°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
octagonal
Tower Color
white and green
Material
fiberglass

Structure: Green glass reinforced plastic(grp) fiberglass tower, white banded; 10. VENEZUELA

References & Identifiers

Admiralty No.
M4310.57
NGA No.
17136
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Frequently Asked Questions

How do mariners identify Janggungdo Lighthouse at night?+
Janggungdo displays the characteristic Fl (2) W 6s — 2 white flashes every 6 seconds. 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.
Which ports and harbors does Janggungdo Lighthouse guide vessels into?+
Janggungdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Yeosu at 3.2 NM to the W. Other ports served include Samil (8.3 NM NNE), Gwangyang (9.1 NM N), Samcheonpo/Sacheon (20.4 NM ENE), Junghwa (31.3 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Janggungdo Lighthouse still active and maintained?+
Yes, Janggungdo 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.
What shipping routes pass near Janggungdo Lighthouse?+
Janggungdo Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Janggungdo Lighthouse?+
You can track vessels near Janggungdo 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.