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Kumihama Kō Lighthouse

Fl R 3s🇯🇵Southwestern Honshū, JPOperational

Location & Light Range

About Kumihama Kō Lighthouse

This red tower stands 26 meters tall on Southwestern Honshū. The lighthouse's focal plane is 11 meters above sea level. It emits a single red flash every 3 seconds. The light has a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Fl R 3s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
3s
Raw Code
Fl.R. period 3s
Focal Height
11m
Geographic Range
5NM

Location

City
Southwestern Honshū
Country
🇯🇵JP
Latitude
35.6504°
Longitude
134.9012°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
26m
Tower Color
red

Structure: Red tower; 26

References & Identifiers

Admiralty No.
M7274.7
NGA No.
2443
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Frequently Asked Questions

How do mariners identify Kumihama Kō Lighthouse at night?+
Kumihama Kō displays the characteristic Fl R 3s — 1 red flash every 3 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Kumihama Kō Lighthouse guide vessels into?+
Kumihama Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kumihama at 2.3 NM to the S. Other ports served include Tsui (3.2 NM W), Tsuiyama (3.2 NM W), Yasugi (9.5 NM W), Taiza (10.7 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kumihama Kō Lighthouse still active and maintained?+
Yes, Kumihama Kō 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 Kumihama Kō Lighthouse?+
Kumihama Kō 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 Kumihama Kō Lighthouse?+
You can track vessels near Kumihama Kō 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.