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Juseo Lighthouse

Fl (9) White 15s🇰🇷Boryeong-si, KROperational

Location & Light Range

About Juseo Lighthouse

A 14-meter-high cylindrical concrete tower, painted yellow with a black horizontal band, is located off the southern tip of Daehwasado. Its light source is positioned 20 meters above sea level. The light emits a white flash every 15 seconds, visible for 13.2 nautical miles. The site near Boryeong-si is open, but the tower is not accessible to the public. The nearest port is Boryeong, 13.9 km away.

Why it matters: This lighthouse serves as a navigation aid, marking a shoal adjacent to Daehwasado, assisting vessels in avoiding the hazard.

Light & Optic

Characteristic Signature
Fl (9) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
9 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
20m
Geographic Range
13.2NM

Location

City
Boryeong-si
Country
🇰🇷South Korea
Region
South Chungcheong
Sea Region
shoal off the southern tip of Daehwasado
Latitude
36.2410°
Longitude
126.2748°

References & Identifiers

Nearest Port
Boryeong(13.9 km)
Admiralty No.
M4189.78.
NGA No.
M4189.78

Tower & Structure

Tower Height
14m
Tower Shape
cylindrical
Tower Color
yellow with a black horizontal band
Material
concrete

Structure: round concrete tower painted yellow with a black horizontal band

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 Juseo Lighthouse at night?+
Juseo displays the characteristic Fl (9) White 15s — 9 white flashes every 15 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 Juseo Lighthouse guide vessels into?+
Juseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Daecheon at 11.8 NM to the ENE. Other ports served include Biin (12.6 NM SE), Boryeong (13.6 NM NE), Gunsan (21.7 NM SE), Janghang/Seocheon-gun (24.4 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Juseo Lighthouse still active and maintained?+
Yes, Juseo 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 Juseo Lighthouse?+
You can track vessels near Juseo 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.