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Nokdo Approach Lighthouse

Fl (2) White 5s🇰🇷Boryeong-si, KROperational

Location & Light Range

About Nokdo Approach Lighthouse

This cylindrical concrete tower, painted black with a single red horizontal band, stands 21 meters tall with its light positioned 17 meters above sea level. It is mounted on a round concrete pier and is located off the northern tip of Nokdo island, midway between Daecheon and Oryeongdo. The lighthouse emits a white flash every 5 seconds, visible for 12.4 nautical miles. The site is accessible by boat and open to the public, though the tower itself is closed to visitors. It is situated in the Boryeong-si area of South Chungcheong province.

Why it matters: This light is essential for safe passage around Nokdo island, marking a key point for vessels traveling between the coastal cities of Daecheon and Oryeongdo and helping to prevent groundings on the island's northern tip.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Boryeong-si
Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
off the northern tip of Nokdo, an island halfway between Daecheon and Oryeongdo
Latitude
36.2807°
Longitude
126.2753°

References & Identifiers

Nearest Port
Boryeong(12.4 km)
Admiralty No.
M4189.73.

Tower & Structure

Tower Height
21m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round cylindrical concrete tower, mounted on a round concrete pier

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nokdo Approach Lighthouse at night?+
Nokdo Approach displays the characteristic Fl (2) White 5s — 2 white flashes 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Nokdo Approach Lighthouse guide vessels into?+
Nokdo Approach Lighthouse assists vessels approaching 5 nearby ports. The closest is Daecheon at 11.1 NM to the ENE. Other ports served include Boryeong (12.1 NM NE), Biin (14.1 NM SE), Gunsan (23.5 NM SE), Janghang/Seocheon-gun (25.8 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nokdo Approach Lighthouse still active and maintained?+
Yes, Nokdo Approach 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 Nokdo Approach Lighthouse?+
You can track vessels near Nokdo Approach 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.