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Sanbonmatsu Hana Lighthouse

Fl Green 3s🇯🇵Maizuru, JPOperational

Location & Light Range

About Sanbonmatsu Hana Lighthouse

The Sanbonmatsu Hana lighthouse is a 12-meter cylindrical concrete tower with a lantern and gallery, situated on a promontory at the entrance to Maizuru harbor's eastern branch. Its focal height is 13 meters, and it emits a green flashing light every three seconds. This structure, which rises from a keeper's house, has a geographic range of 11.3 nautical miles. The lighthouse is located 2.2 kilometers from the nearest port, Maizuru, and is an active navigational aid. Access to the site is difficult, and public visitation is not permitted.

Why it matters: This lighthouse guides maritime traffic into the eastern branch of Maizuru harbor, a significant Japanese port.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Maizuru
Country
🇯🇵Japan
Region
Kyoto Prefecture
Sea Region
Located on a promontory at the entrance to the eastern branch of Maizuru harbor.
Latitude
35.5042°
Longitude
135.3437°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: square cylindrical concrete tower with lantern and gallery, rising from a 1- and 2-story keeper's house

References & Identifiers

Nearest Port
Maizuru(2.2 km)
Admiralty No.
M7260
NGA No.
2512
USCG No.
JCG-1011
ARLHS No.
JPN-040
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Frequently Asked Questions

How do mariners identify Sanbonmatsu Hana Lighthouse at night?+
Sanbonmatsu Hana displays the characteristic Fl Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Sanbonmatsu Hana Lighthouse guide vessels into?+
Sanbonmatsu Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Maizuru at 1.6 NM to the SSE. Other ports served include Uchiura, Fukui (7.3 NM ENE), Tsuchiura (7.7 NM E), Miyazu (7.9 NM WNW), Ine (10.4 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sanbonmatsu Hana Lighthouse still active and maintained?+
Yes, Sanbonmatsu Hana 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 Sanbonmatsu Hana Lighthouse?+
Sanbonmatsu Hana 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 Sanbonmatsu Hana Lighthouse?+
You can track vessels near Sanbonmatsu Hana 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.