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Duho Hang Lighthouse

Fl Green 4s🇰🇷Busan, KROperational

Location & Light Range

About Duho Hang Lighthouse

This green, cylindrical concrete tower stands 12 meters tall on a reef approximately 1.6 kilometers east of Jukseong. Its structure includes a round concrete pier and a double gallery. The lighthouse emits a green light, which flashes every four seconds, visible for nearly 13 nautical miles. Reaching this offshore navigational aid requires boat access, highlighting its isolated position. The site itself is open to visitors, though the tower remains closed to the public. The lighthouse is located in the Gijang-gun region, near Busan.

Why it matters: This lighthouse marks a reef about 1.6 km east of Jukseong, providing a green flash every four seconds to warn passing vessels of the underwater hazard. Its offshore placement ensures safe passage for local maritime traffic navigating the coastal waters near Jukseong.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
18m
Geographic Range
12.7NM

Location

City
Busan
Country
🇰🇷South Korea
Region
Gijang-gun
Sea Region
offshore from Jukseong, on a reef about 1.6 km east of Jukseong
Latitude
35.2409°
Longitude
129.2525°

References & Identifiers

Nearest Port
Busan(13.1 km)
Admiralty No.
M4376.6
NGA No.
16718.5

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: round cylindrical concrete tower with double gallery, 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 Duho Hang Lighthouse at night?+
Duho Hang displays the characteristic Fl Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Duho Hang Lighthouse guide vessels into?+
Duho Hang Lighthouse assists vessels approaching 5 nearby ports. The closest is South Busan at 10.7 NM to the SSW. Other ports served include Busanjin-Gu (11.3 NM WSW), Onsan/Ulsan (13 NM NNE), Busan (13.5 NM SW), Gamcheon/Busan (15.6 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Duho Hang Lighthouse still active and maintained?+
Yes, Duho 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 Duho Hang Lighthouse?+
Duho 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 Duho Hang Lighthouse?+
You can track vessels near Duho 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.