Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Hahongseo Lighthouse

Fl (2) White 10s🇰🇷Boryeong-si, KROperational

Location & Light Range

About Hahongseo Lighthouse

This concrete lighthouse, constructed in 2001, stands 16 meters tall on a round concrete pier. It is situated on a rocky reef about 7 kilometers east of Nokdo. The tower features a black cylindrical structure with a single red horizontal band. Its light emits a white flash every 10 seconds, visible for 11.6 nautical miles. The site is open to visitors, though the tower is closed to the public. The nearest port is Boryeong, approximately 10.8 kilometers away.

Why it matters: The Hahongseo light serves to mark a significant rocky reef hazard, assisting in safe navigation for vessels in the waters east of Nokdo.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
14m
Geographic Range
11.6NM

Construction & History

Year Built
2001

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

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

Location

City
Boryeong-si
Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
rocky reef about 7 km east of Nokdo, South Korea
Latitude
36.2698°
Longitude
126.3314°

References & Identifiers

Nearest Port
Boryeong(10.8 km)
Admiralty No.
M4189.625.
Live tracking · 50,000+ mariners

Find Hahongseo Lighthouse on the live nautical map

Plan voyages near South Korea, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Hahongseo Lighthouse at night?+
Hahongseo displays the characteristic Fl (2) White 10s — 2 white flashes every 10 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 Hahongseo Lighthouse guide vessels into?+
Hahongseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Daecheon at 8.6 NM to the ENE. Other ports served include Boryeong (10.5 NM NE), Biin (11.8 NM SE), Gunsan (21.3 NM SE), Janghang/Seocheon-gun (23.4 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hahongseo Lighthouse still active and maintained?+
Yes, Hahongseo 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 Hahongseo Lighthouse?+
You can track vessels near Hahongseo 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.