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Ansong Gap Lighthouse

Fl W 7s🇰🇵North Korea, KPOperational

Location & Light Range

About Ansong Gap Lighthouse

Ansong Gap Lighthouse is a maritime navigation aid located in North Korea, KP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 87 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 7s. This means the light produces 1 flash every 7 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Ansong Gap Lighthouse is positioned at 39.8911°N, 127.8754°E, near North Korea in KP.

Geographic context: Ansong Gap Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the temperate maritime climate zone.

Nearby lighthouses in KP: Other lighthouses in the region include Apryong Dan, Chamae Do, Changadae Dan, Changdok Do, Choncho Do. View all on the Lighthouses Directory.

Nearby Ports

Hungnam

KPHGM

12.4 NMWSW

Sinpo

KPSIN

16.1 NMENE

Riwon

KPRIW

43.2 NMNE

Wonsan

KPWON

47.9 NMSSW

Flash Characteristics

Characteristic Signature
Fl W 7s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
7s

Physical Specifications

Focal Height
87m
Light Range
Not available
Status
ACTIVE
City
North Korea
Country
🇰🇵KP
Latitude
39.8911°
Longitude
127.8754°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ansong Gap Lighthouse at night?+
Ansong Gap displays the characteristic Fl W 7s — 1 white flash every 7 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 Ansong Gap Lighthouse guide vessels into?+
Ansong Gap Lighthouse assists vessels approaching 4 nearby ports. The closest is Hungnam at 12.4 NM to the WSW. Other ports served include Sinpo (16.1 NM ENE), Riwon (43.2 NM NE), Wonsan (47.9 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ansong Gap Lighthouse still active and maintained?+
Yes, Ansong Gap 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 Ansong Gap Lighthouse?+
Ansong Gap 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 Ansong Gap Lighthouse?+
You can track vessels near Ansong Gap 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.