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

Jangseo Lighthouse

Fl (6) White 15s🇰🇷Tongyeong-si, KROperational

Location & Light Range

About Jangseo Lighthouse

Located just offshore west of the entrance to Tongyeong's traditional harbor, the Jangseo Lighthouse is a 13-meter cylindrical concrete tower. Its upper section is painted yellow and its lower section black, creating a distinct visual marker. The lighthouse emits a white light with a characteristic of a single white flash every 15 seconds. This navigational aid stands 12 meters above sea level and has a geographic range of 11 nautical miles. The site is accessible, but the tower itself is closed to the public.

Why it matters: The Jangseo Lighthouse marks the critical approach to Tongyeong's traditional harbor, guiding vessels safely into the busy port.

Light & Optic

Characteristic Signature
Fl (6) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
6 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
12m
Geographic Range
11NM

Location

City
Tongyeong-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
just offshore and west of the entrance to Tongyeong's traditional harbor, South Korea
Latitude
34.8379°
Longitude
128.4353°

References & Identifiers

Nearest Port
Tongyeong(0.3 km)
Admiralty No.
M4326.5
NGA No.
16916

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
yellow and black
Material
concrete

Structure: round cylindrical concrete tower with double gallery; upper portion of the tower painted yellow, lower portion black

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Jangseo 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 Jangseo Lighthouse at night?+
Jangseo displays the characteristic Fl (6) White 15s — 6 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 Jangseo Lighthouse guide vessels into?+
Jangseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Tongyeong at 0.9 NM to the W. Other ports served include Junghwa (4.7 NM SW), Anjeong (6.4 NM N), Geoje (7.3 NM E), Gohyeon/Geoje (8.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jangseo Lighthouse still active and maintained?+
Yes, Jangseo 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 Jangseo Lighthouse?+
Jangseo 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 Jangseo Lighthouse?+
You can track vessels near Jangseo 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.