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Ganyeo-Am Lighthouse

Fl W 6s🇰🇷Yeosu, KROperational

Location & Light Range

About Ganyeo-Am Lighthouse

This white, octagonal concrete tower stands 30 meters tall and was first lit in 1986. Its focal plane is 23 meters above sea level. The lighthouse emits a white flash on a 6-second cycle. It also operates an AIS, transmitting MMSI number 994402942. Additionally, a RACON is fitted, responding to X-band and S-band radar signals with the Morse code for 'Y'.

Light & Optic

Characteristic Signature
Fl W 6s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Fl
Focal Height
23m
Geographic Range
7NM

Construction & History

Year Built
1986

References & Identifiers

Admiralty No.
M4308.2
NGA No.
17080
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
30m
Tower Shape
octagonal
Tower Color
white
Material
concrete

Structure: White octagonal concrete tower; 59. AIS (MMSI No 994402942). RACON Y(– • – –) 10 (3 & 10 cm)

Location

City
Yeosu
Country
🇰🇷KR
Latitude
34.2874°
Longitude
127.8556°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ganyeo-Am Lighthouse at night?+
Ganyeo-Am displays the characteristic Fl W 6s — 1 white flash 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 Ganyeo-Am Lighthouse guide vessels into?+
Ganyeo-Am Lighthouse assists vessels approaching 5 nearby ports. The closest is Yeosu at 28.7 NM to the NNW. Other ports served include Narodo (30.6 NM W), Geomundo (32 NM WSW), Kukdo (32.2 NM ENE), Samil (35 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ganyeo-Am Lighthouse still active and maintained?+
Yes, Ganyeo-Am 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 Ganyeo-Am Lighthouse?+
Ganyeo-Am 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 Ganyeo-Am Lighthouse?+
You can track vessels near Ganyeo-Am 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.