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Gudolseo Lighthouse

Fl White 6s🇰🇷KROperational

Location & Light Range

About Gudolseo Lighthouse

This lighthouse stands on a small island located about 8 kilometers southeast of Namhaedo, South Korea. The structure is a 14-meter tall cylindrical concrete tower painted white. It emits a single white flash every six seconds. The lighthouse is situated 40 meters above sea level and has a geographic range of 17.1 nautical miles. Its nearest port is Yeosu, 22.2 kilometers away.

Why it matters: The Gudolseo light guides vessels through the waters southeast of Namhaedo, contributing to the safety of coastal shipping routes.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
40m
Geographic Range
17.1NM

Location

Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
small island about 8 km southeast of Namhaedo, South Korea
Latitude
34.4994°
Longitude
128.0837°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
14m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round concrete tower, painted white

References & Identifiers

Nearest Port
Yeosu(22.2 km)
Admiralty No.
M4308.35
NGA No.
17088
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Frequently Asked Questions

How do mariners identify Gudolseo Lighthouse at night?+
Gudolseo displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Gudolseo Lighthouse guide vessels into?+
Gudolseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Kukdo at 17.4 NM to the E. Other ports served include Junghwa (22 NM NE), Samcheonpo/Sacheon (24.7 NM N), Yeosu (25 NM NW), Tongyeong (26.1 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gudolseo Lighthouse still active and maintained?+
Yes, Gudolseo 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 Gudolseo Lighthouse?+
Gudolseo 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 Gudolseo Lighthouse?+
You can track vessels near Gudolseo 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.