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Iljonggot Lighthouse

Fl (9) White 10s🇰🇷Yeosu-si, KROperational

Location & Light Range

About Iljonggot Lighthouse

Also known as: Iljonggot (Geumodo Hang)

Iljonggot Lighthouse is a cylindrical concrete tower, painted yellow with a black horizontal band, standing 11 meters tall. It was built and first lit in 2008. The structure is mounted on a round concrete pier and features a double gallery. It is situated just off the southwestern tip of Geumodo, marking the south side of the entrance to the bay leading to Geumodo harbor. The lighthouse emits a white light with one flash every 10 seconds, visible for 11 nautical miles. The site is open to visitors, though the tower itself is closed.

Why it matters: This lighthouse is essential for vessels entering and exiting Geumodo harbor, particularly those navigating the bay's southern approach. Its light assists in preventing groundings on the southwestern tip of Geumodo.

Light & Optic

Characteristic Signature
Fl (9) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
9 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
2008

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
yellow with a black horizontal band
Material
concrete

Structure: round cylindrical concrete tower with double gallery, mounted on a round concrete pier

Location

City
Yeosu-si
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
just off the southwestern tip of Geumodo, at the south side of the entrance to the bay leading to Geumodo harbor
Latitude
34.5001°
Longitude
127.7727°

References & Identifiers

Nearest Port
Yeosu(14.2 km)
Admiralty No.
M4307.28
NGA No.
17073
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Frequently Asked Questions

How do mariners identify Iljonggot Lighthouse at night?+
Iljonggot displays the characteristic Fl (9) White 10s — 9 white flashes every 10 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 Iljonggot Lighthouse guide vessels into?+
Iljonggot Lighthouse assists vessels approaching 5 nearby ports. The closest is Yeosu at 15.3 NM to the NNW. Other ports served include Samil (22 NM N), Gwangyang (23.3 NM N), Narodo (26.8 NM WSW), Samcheonpo/Sacheon (29.2 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Iljonggot Lighthouse still active and maintained?+
Yes, Iljonggot 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 Iljonggot Lighthouse?+
Iljonggot 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 Iljonggot Lighthouse?+
You can track vessels near Iljonggot 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.