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Gainseo Lighthouse

Fl White 5s🇰🇷KROperational

Location & Light Range

About Gainseo Lighthouse

Also known as: Gainseo (Gain Seo)

The Gainseo Lighthouse is a round white fiberglass tower standing 9.5 meters tall. It emits a single white flash every 5 seconds from a focal height of 24 meters. This structure is situated on a reef off the tip of a peninsula on the east side of the Daesan Bay entrance. It is located 3.4 kilometers from the nearest port, Daesan. The lighthouse has a geographic range of 14.1 nautical miles.

Why it matters: This lighthouse marks a reef off the peninsula's tip, aiding vessels navigating the eastern side of the Daesan Bay entrance.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
24m
Geographic Range
14.1NM

Location

Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
a reef off the tip of a peninsula on the east side of the entrance to Daesan Bay
Latitude
37.0024°
Longitude
126.3161°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white
Material
fiberglass

Structure: round white fiberglass tower

References & Identifiers

Nearest Port
Daesan(3.4 km)
Admiralty No.
M4156.5
NGA No.
17894
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Frequently Asked Questions

How do mariners identify Gainseo Lighthouse at night?+
Gainseo 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 Gainseo Lighthouse guide vessels into?+
Gainseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Daesan/Seosan at 3.3 NM to the ENE. Other ports served include Taean-gun (6.3 NM SW), DANGJIN (9.9 NM ENE), Dangjin (22.5 NM E), Pyeongtaek (23.4 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gainseo Lighthouse still active and maintained?+
Yes, Gainseo 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 Gainseo Lighthouse?+
You can track vessels near Gainseo 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.