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Uno Se Lighthouse

Fl Red 3s🇯🇵Ibusuki, JPOperational

Location & Light Range

About Uno Se Lighthouse

Also known as: Uno Se (Yamagawa Kō)

Uno Se lighthouse is a red, cylindrical concrete tower 11 meters in height, situated on a shoal at the entrance to Yamagawa's harbor. It carries a red triangular topmark above its light. The focal height of the light is 11.5 meters, and it emits a red flash every 3 seconds. The lighthouse is located on the western side of Kagoshima Bay, at the tip of the Satsuma Peninsula. It lies just 0.3 kilometers from Yamagawa, the nearest port.

Why it matters: This lighthouse warns vessels away from the shoal in the harbor entrance, guiding them safely into Yamagawa's port.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
11.5m
Geographic Range
10.9NM

Location

City
Ibusuki
Country
🇯🇵Japan
Region
Kagoshima Prefecture
Sea Region
Located on a shoal in the entrance to Yamagawa's traditional harbor, which is a port on the west side of the entrance to Kagoshima Bay, at the tip of the hammerhead of the Satsuma Peninsula.
Latitude
31.2125°
Longitude
130.6465°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round concrete tower, painted red; in addition to the light the tower carries a red triangular topmark on a short post

References & Identifiers

Nearest Port
Yamagawa(0.3 km)
Admiralty No.
M4820
NGA No.
11024
ARLHS No.
JPN-751
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Frequently Asked Questions

How do mariners identify Uno Se Lighthouse at night?+
Uno Se displays the characteristic Fl Red 3s. 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 Uno Se Lighthouse guide vessels into?+
Uno Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Yamagawa at 0.8 NM to the WSW. Other ports served include Ibusuki (1.8 NM N), Uomi (3.5 NM NNE), Miyagahama (4.3 NM NNW), Nejime (5.8 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uno Se Lighthouse still active and maintained?+
Yes, Uno Se 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 Uno Se Lighthouse?+
Uno Se 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 Uno Se Lighthouse?+
You can track vessels near Uno Se 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.