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Haksanseo Lighthouse

Fl (2) Red 6s🇰🇷Hwaseong-si, KROperational

Location & Light Range

About Haksanseo Lighthouse

This cylindrical concrete tower stands 19 meters tall, with its upper half painted black and the lower half yellow. Its light flashes red with a 6-second cycle. The focal plane of the light is 15 meters above sea level. Located about 800 meters northwest of Gukhwado, it has a geographic range of 11.9 nautical miles. The lighthouse site is accessible to the public, but the tower itself is closed.

Why it matters: The lighthouse delineates maritime boundaries and routes for local shipping and fishing vessels in the waters around Gukhwado.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Hwaseong-si
Country
🇰🇷South Korea
Region
Gyeonggi
Sea Region
located about 800 m northwest of Gukhwado
Latitude
37.1208°
Longitude
126.5297°

References & Identifiers

Nearest Port
Dangjin(3.7 km)
Admiralty No.
M4160
NGA No.
17926

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Tower Color
black and lower half yellow
Material
concrete

Structure: round concrete tower, upper half painted black and lower half yellow

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 Haksanseo Lighthouse at night?+
Haksanseo displays the characteristic Fl (2) Red 6s — 2 red flashes 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Haksanseo Lighthouse guide vessels into?+
Haksanseo Lighthouse assists vessels approaching 5 nearby ports. The closest is DANGJIN at 3.6 NM to the SSW. Other ports served include Daesan/Seosan (9.5 NM SW), Pyeongtaek (15.2 NM ESE), Dangjin (15.3 NM SE), Incheon (17.9 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Haksanseo Lighthouse still active and maintained?+
Yes, Haksanseo 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 Haksanseo Lighthouse?+
You can track vessels near Haksanseo 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.