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Hagwado Sudo Lighthouse

Fl (6) White 15s🇰🇷Yeosu-si, KROperational

Location & Light Range

About Hagwado Sudo Lighthouse

This cylindrical concrete tower stands 10 meters tall, with its focal plane at 11 meters above sea level. The structure's upper half is painted yellow, contrasting with its black lower half. Operating on a 15-second cycle, it emits a white flash. This light has a geographic range of 10.7 nautical miles. The lighthouse is situated on a reef off the south side of Dongbyeongdo, near Yeosu.

Why it matters: The Hagwado Sudo light marks a reef southeast of Dongbyeongdo, assisting vessels navigating these waters.

Light & Optic

Characteristic Signature
Fl (6) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
6 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Yeosu-si
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
reef off the south side of Dongbyeongdo
Latitude
34.6183°
Longitude
127.5240°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
yellow and lower half black
Material
concrete

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

References & Identifiers

Nearest Port
Yeosu(12.6 km)
Admiralty No.
M4305.38
NGA No.
17219.2
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Frequently Asked Questions

How do mariners identify Hagwado Sudo Lighthouse at night?+
Hagwado Sudo displays the characteristic Fl (6) White 15s — 6 white flashes every 15 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 Hagwado Sudo Lighthouse guide vessels into?+
Hagwado Sudo Lighthouse assists vessels approaching 5 nearby ports. The closest is Yeosu at 10.3 NM to the NE. Other ports served include Gwangyang (18.7 NM NNE), Narodo (19.6 NM SW), Samil (19.6 NM NE), Nokdongsin (20.3 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hagwado Sudo Lighthouse still active and maintained?+
Yes, Hagwado Sudo 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 Hagwado Sudo Lighthouse?+
Hagwado Sudo 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 Hagwado Sudo Lighthouse?+
You can track vessels near Hagwado Sudo 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.