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Eoyujeong Hang Lighthouse

Fl (3) White 7s🇰🇷Incheon, KROperational

Location & Light Range

About Eoyujeong Hang Lighthouse

This white concrete skeletal tower stands 17 meters tall on the southern point of Seokmodo Island. Its design features an octagonal observation room topped by a lantern with a green roof, and the structure is painted white. The lighthouse emits a white flash every 7 seconds, visible for 19 nautical miles. It is situated at the southern entrance to a 3-kilometer-wide channel separating Seokmodo from Ganghwado and Seongmodo Islands. The tower's focal height reaches 52 meters above sea level.

Why it matters: The lighthouse marks the southern entrance to the channel between Ganghwado and Seongmodo, guiding vessels through this specific passage.

Light & Optic

Characteristic Signature
Fl (3) White 7s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
7s
Raw Code
Fl W 7s
Focal Height
52m
Geographic Range
19NM

Location

City
Incheon
Country
🇰🇷South Korea
Region
Ganghwa-gun
Sea Region
southern entrance to the 3 km wide channel between Ganghwado and Seongmodo, at the south point of Seokmodo Island
Latitude
37.6442°
Longitude
126.3413°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
17m
Tower Shape
octagonal
Tower Color
white with a green lantern roof
Material
concrete

Structure: triangular white concrete skeletal tower with a lantern atop an octagonal observation room; the lantern roof is green

References & Identifiers

Nearest Port
Incheon(16.3 km)
Admiralty No.
M4146.55.
NGA No.
M4146.55
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Frequently Asked Questions

How do mariners identify Eoyujeong Hang Lighthouse at night?+
Eoyujeong Hang displays the characteristic Fl (3) White 7s — 3 white flashes every 7 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 Eoyujeong Hang Lighthouse guide vessels into?+
Eoyujeong Hang Lighthouse assists vessels approaching 5 nearby ports. The closest is Gyeongin at 14 NM to the ESE. Other ports served include Incheon (15.8 NM SSE), BUCHEON (21.3 NM ESE), Seoul (29.2 NM ESE), Yeonpyeongdo (30.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Eoyujeong Hang Lighthouse still active and maintained?+
Yes, Eoyujeong 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.
How can I track vessels near Eoyujeong Hang Lighthouse?+
You can track vessels near Eoyujeong 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.