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Simgok Hang Lighthouse

Fl Red 4s🇰🇷Gangneung-si, KROperational

Location & Light Range

About Simgok Hang Lighthouse

This red, cylindrical concrete tower stands 12 meters tall at the end of the Simgok breakwater. It guides mariners with a red light flashing once every 4 seconds. The current structure replaced an earlier skeletal tower, which was present in 2015. The lighthouse's focal plane is 15.85 meters above sea level, offering a geographic range of 12.1 nautical miles. The site is accessible to visitors, though the tower itself is closed to the public.

Why it matters: The lighthouse is essential for guiding local fishing vessels safely into Simgok harbor, marking the breakwater's end.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
15.85m
Geographic Range
12.1NM

Construction & History

Significant events: first light was a skeletal tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
Located at the end of the breakwater at Simgok, about 1 km south of Jeongdongjin Dan.
Latitude
37.6653°
Longitude
129.0534°

References & Identifiers

Nearest Port
Okgye/Gangneung(1.9 km)
Admiralty No.
M4449.4
NGA No.
16453
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Frequently Asked Questions

How do mariners identify Simgok Hang Lighthouse at night?+
Simgok Hang displays the characteristic Fl Red 4s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Simgok Hang Lighthouse guide vessels into?+
Simgok Hang Lighthouse assists vessels approaching 5 nearby ports. The closest is Okgye/Gangneung at 2.5 NM to the S. Other ports served include Mukho/Donghae (7.7 NM SSE), Tonghae (8.2 NM SSE), Bupyong/Incheon (10.6 NM SSE), Donghae (11.1 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Simgok Hang Lighthouse still active and maintained?+
Yes, Simgok Hang 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 Simgok Hang Lighthouse?+
Simgok Hang 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 Simgok Hang Lighthouse?+
You can track vessels near Simgok Hang 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.