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Jangguseom Lighthouse

Fl White 5s🇰🇷Bigeum, KROperational

Location & Light Range

About Jangguseom Lighthouse

Also known as: Jangguseom (Janggu Seo, Changgu-so)

Jangguseom Lighthouse is a 9-meter tall, cylindrical white concrete tower situated on a small islet off the west coast of Bigeumdo. It stands approximately 4 kilometers northwest of Daegogdo. The focal height of the light is 19 meters, and it emits a single white flash every 5 seconds. Its geographic range extends to 12.9 nautical miles. This active aid to navigation is located in the South Jeolla region of South Korea.

Why it matters: This lighthouse provides a navigational reference for local maritime traffic navigating the waters around Bigeumdo and Daegogdo.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
19m
Geographic Range
12.9NM

Location

City
Bigeum
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
an islet off the west coast of Bigeumdo, about 4 km northwest of Daegogdo
Latitude
34.7276°
Longitude
125.8763°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower

References & Identifiers

Nearest Port
Mokpo(24.8 km)
Admiralty No.
M4229.8
NGA No.
17644.5
USCG No.
KR-3105.8
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Frequently Asked Questions

How do mariners identify Jangguseom Lighthouse at night?+
Jangguseom displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Jangguseom Lighthouse guide vessels into?+
Jangguseom Lighthouse assists vessels approaching 5 nearby ports. The closest is Songgong at 17.9 NM to the ENE. Other ports served include Daeheuksando (22 NM W), Mokpo (23.9 NM E), Daebul/Yeongam-gun (27.5 NM E), Hongdo (34.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jangguseom Lighthouse still active and maintained?+
Yes, Jangguseom 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 Jangguseom Lighthouse?+
You can track vessels near Jangguseom 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.