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Un Do Lighthouse

Fl (2) W 6s🇰🇵North Korea, KPOperational

Location & Light Range

About Un Do Lighthouse

Also known as: Un Island Lighhouse

This lighthouse features a white quadrilateral masonry tower that rises 83 meters high. Its light source is positioned 25 meters above sea level. The structure emits a white flash, providing a navigational signal. It is an operational lighthouse located in North Korea.

Light & Optic

Characteristic Signature
Fl (2) W 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl
Focal Height
25m
Geographic Range
25NM

Location

City
North Korea
Country
🇰🇵KP
Latitude
39.7311°
Longitude
124.4014°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
83m
Tower Shape
quadrilateral
Tower Color
white
Material
masonry

Structure: White quadrilateral masonry tower; 13

References & Identifiers

Admiralty No.
M4105
NGA No.
18164
OpenStreetMap
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Frequently Asked Questions

How do mariners identify Un Do Lighthouse at night?+
Un Do displays the characteristic Fl (2) W 6s — 2 white 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.
Which ports and harbors does Un Do Lighthouse guide vessels into?+
Un Do Lighthouse assists vessels approaching 5 nearby ports. The closest is Dandong at 13 NM to the NW. Other ports served include Donggang (15.4 NM NW), Dandong (24.2 NM N), Samcha do (24.7 NM SE), Dalu Island (31.6 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Un Do Lighthouse still active and maintained?+
Yes, Un Do 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 Un Do Lighthouse?+
You can track vessels near Un Do 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.