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Umano Kashira Lighthouse

Occ W 8s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Umano Kashira Lighthouse

This white, square concrete tower stands 131 meters tall. Its focal plane is situated 45 meters above the water. The light emits a single white flash every 5 seconds. Visibility to the southwest is limited by the island itself. The structure functions as a water tower.

Light & Optic

Characteristic Signature
Occ W 8s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Fl.W. period 5s
Focal Height
45m
Geographic Range
3NM

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
33.4724°
Longitude
129.4987°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
131m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: White concrete water tower; 131. Obscured SW. by the island

References & Identifiers

Admiralty No.
M5253.4
NGA No.
12080
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Frequently Asked Questions

How do mariners identify Umano Kashira Lighthouse at night?+
Umano Kashira displays the characteristic Occ W 8s — 1 white flash every 8 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.
Which ports and harbors does Umano Kashira Lighthouse guide vessels into?+
Umano Kashira Lighthouse assists vessels approaching 5 nearby ports. The closest is Ikitsuki at 6.3 NM to the SSW. Other ports served include Hirado (6.8 NM SSE), Tabira (7.7 NM SSE), Kawachi, Nagasaki (8.7 NM S), Emukae (11 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Umano Kashira Lighthouse still active and maintained?+
Yes, Umano Kashira 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 Umano Kashira Lighthouse?+
Umano Kashira 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 Umano Kashira Lighthouse?+
You can track vessels near Umano Kashira 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.