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Jumunjin Lighthouse

Fl W 7.5s🇰🇷Gangneung Area (Southern Gangwon), KROperational

Location & Light Range

About Jumunjin Lighthouse

Also known as: Jumunjin Lighthouse

The Jumunjin Lighthouse is a white, round masonry tower standing 33 meters tall. Its focal plane reaches 40 meters above sea level. The light cycles through a single white flash every 15 seconds. The lighthouse is equipped with AIS, broadcasting its presence. It is located in the Gangneung Area of Southern Gangwon.

Light & Optic

Characteristic Signature
Fl W 7.5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
7.5s
Raw Code
Fl.W. period 15s
Focal Height
40m
Geographic Range
20NM

Location

City
Gangneung Area (Southern Gangwon)
Country
🇰🇷KR
Latitude
37.8964°
Longitude
128.8332°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
33m
Tower Shape
round
Tower Color
white
Material
masonry

Structure: White round masonry tower; 33. AIS (MMSI No 994403803)

References & Identifiers

Admiralty No.
M4450
NGA No.
16436
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Frequently Asked Questions

How do mariners identify Jumunjin Lighthouse at night?+
Jumunjin displays the characteristic Fl W 7.5s — 1 white flash every 7.5 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 Jumunjin Lighthouse guide vessels into?+
Jumunjin Lighthouse assists vessels approaching 5 nearby ports. The closest is Jumunjin at 0.8 NM to the S. Other ports served include Okgye/Gangneung (19.5 NM SSE), Sokcho (21.9 NM NNW), Mukho/Donghae (24.9 NM SSE), Tonghae (25.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jumunjin Lighthouse still active and maintained?+
Yes, Jumunjin 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 Jumunjin Lighthouse?+
Jumunjin 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 Jumunjin Lighthouse?+
You can track vessels near Jumunjin 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.