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Gyema Lighthouse

Fl Red 4s🇰🇷Hongnong, KROperational

Location & Light Range

About Gyema Lighthouse

Also known as: Gyema (Kyema) Hang Groin (South Breakwater)

The Gyema lighthouse is an 8-meter tall octagonal concrete tower located in Hongnong, South Korea. Its red light flashes once every 4 seconds, providing a geographic range of 11 nautical miles. The site is open to visitors, but access to the tower itself is restricted. This functional marker assists maritime navigation in the South Jeolla region. Its nearest port is Mokpo, approximately 36 kilometers away.

Why it matters: The lighthouse's active status and characteristic red flash are relevant for maritime safety along the Korean coast.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
12m
Geographic Range
11NM

Location

City
Hongnong
Country
🇰🇷South Korea
Region
South Jeolla
Latitude
35.3896°
Longitude
126.4072°

References & Identifiers

Nearest Port
Mokpo(35.9 km)
Admiralty No.
M4208.2
NGA No.
17718

Tower & Structure

Tower Height
8m
Tower Shape
octagonal
Tower Color
red
Material
concrete

Structure: octagonal concrete tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Gyema Lighthouse at night?+
Gyema displays the characteristic Fl Red 4s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Gyema Lighthouse guide vessels into?+
Gyema Lighthouse assists vessels approaching 5 nearby ports. The closest is Sangwangdeungdo at 20.6 NM to the NW. Other ports served include Songgong (34.7 NM SSW), Gunsan (36.4 NM NNE), Mokpo (37.5 NM S), Daebul/Yeongam-gun (38.4 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gyema Lighthouse still active and maintained?+
Yes, Gyema 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 Gyema Lighthouse?+
You can track vessels near Gyema 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.