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Gamsuseo Lighthouse

Fl (2) White 5s🇰🇷Busan, KROperational

Location & Light Range

About Gamsuseo Lighthouse

Also known as: Gamsuseo (Gabsuseodo)

Gamsuseo Lighthouse, a cylindrical concrete tower standing 17 meters tall, was activated in 2007. The structure is painted black with a single red horizontal band and features a lantern and gallery. It emits a white light, flashing once every 5 seconds. Positioned on a reef near the eastern end of the Geoga Tunnel, it guides ships in the waters of Busan. The lighthouse is accessible only by boat.

Why it matters: This lighthouse marks a reef located directly above the Geoga Tunnel, a key element of the Busan-Geoje Fixed Link, ensuring safe passage for vessels.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
17m
Geographic Range
12.4NM

Construction & History

Year Built
2007

References & Identifiers

Nearest Port
Busan New Port(3.5 km)
Admiralty No.
M4351.6.
NGA No.
M4351.6

Tower & Structure

Tower Height
17m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, painted black with one red horizontal band

Location

City
Busan
Country
🇰🇷South Korea
Sea Region
reef almost over the east end of the Geoga Tunnel, part of the Busan-Geoje Fixed Link
Latitude
35.0223°
Longitude
128.8041°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Gamsuseo Lighthouse at night?+
Gamsuseo displays the characteristic Fl (2) White 5s — 2 white flashes every 5 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Gamsuseo Lighthouse guide vessels into?+
Gamsuseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Busan New Port at 2.6 NM to the N. Other ports served include Jinhae (8.6 NM NW), Okpo/Geoje (9.1 NM SSW), Gamcheon/Busan (10.3 NM ENE), Busan (12.4 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gamsuseo Lighthouse still active and maintained?+
Yes, Gamsuseo 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 Gamsuseo Lighthouse?+
Gamsuseo 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 Gamsuseo Lighthouse?+
You can track vessels near Gamsuseo 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.