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Yeonamgap Lighthouse

Fl W 5s🇰🇷Uljin Area (North Gyeongsang), KROperational

Location & Light Range

About Yeonamgap Lighthouse

The Yeonamgap lighthouse is a white, octagonal concrete tower that stands 46 meters high. Its light source is situated 33 meters above sea level. The characteristic of the light is a single white flash that repeats every 5 seconds. This structure is located in the Uljin Area of North Gyeongsang province.

Why it matters: The lighthouse has a documented geographic range of 20 nautical miles, though this was noted as temporarily reduced to 8 nautical miles in 2021.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
33m
Geographic Range
20NM

Location

City
Uljin Area (North Gyeongsang)
Country
🇰🇷KR
Latitude
36.0763°
Longitude
129.4192°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
46m
Tower Shape
octagonal
Tower Color
white
Material
concrete

Structure: White octagonal concrete tower; 46. Range temporarily 8M (2021)

References & Identifiers

Admiralty No.
M4410.5
NGA No.
16616
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Frequently Asked Questions

How do mariners identify Yeonamgap Lighthouse at night?+
Yeonamgap displays the characteristic Fl W 5s — 1 white flash every 5 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 Yeonamgap Lighthouse guide vessels into?+
Yeonamgap Lighthouse assists vessels approaching 5 nearby ports. The closest is Pohang at 3.6 NM to the S. Other ports served include Sinhang/Pohang (6.4 NM E), Guryongpo (8.5 NM SE), Ganggu (16.5 NM N), Mipo/Ulsan (33.6 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yeonamgap Lighthouse still active and maintained?+
Yes, Yeonamgap 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 Yeonamgap Lighthouse?+
Yeonamgap 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 Yeonamgap Lighthouse?+
You can track vessels near Yeonamgap 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.