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

Jangjakji Hang Lighthouse

Fl Red 4s🇰🇷Tongyeong-si, KROperational

Also known as: Changjakji

The Jangjakji (Changjakji) Hang lighthouse is found in Tongyeong-si, South Korea. It is a red, round concrete tower, 12 meters in focal height, that includes a lantern and gallery. Its light is red, flashing once every 4 seconds, with a geographic range of 11 nautical miles. This marker is positioned 4.4 kilometers from Tongyeong, the closest port. Public access is permitted to the grounds, but the tower structure remains inaccessible.

Why it matters: This navigational marker, emitting a red flashing light characteristic of Fl R 4s, aids vessels entering and leaving Jangjakji Harbor, supporting maritime operations near Tongyeong.

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
12m
Geographic Range
11NM
City
Tongyeong-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Latitude
34.7716°
Longitude
128.4716°
Nearest Port
Tongyeong(4.4 km)
Admiralty No.
M4331.25
NGA No.
16902
Tower Shape
round
Tower Color
red
Material
concrete

Structure: A red tower with a lantern and gallery.

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Jangjakji Hang 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
How do mariners identify Jangjakji Hang Lighthouse at night?+
Jangjakji 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 Jangjakji Hang Lighthouse guide vessels into?+
Jangjakji Hang Lighthouse assists vessels approaching 5 nearby ports. The closest is Tongyeong at 4.7 NM to the NW. Other ports served include Junghwa (5.2 NM W), Geoje (7.2 NM NE), Gohyeon/Geoje (10.1 NM NNE), Anjeong (10.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jangjakji Hang Lighthouse still active and maintained?+
Yes, Jangjakji 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 Jangjakji Hang Lighthouse?+
Jangjakji 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 Jangjakji Hang Lighthouse?+
You can track vessels near Jangjakji 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.