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Sesaki Hana Lighthouse

Fl (2) White 6s🇯🇵Hirado, JPOperational

Location & Light Range

About Sesaki Hana Lighthouse

Sesaki Hana lighthouse is a white, cylindrical concrete tower 11 meters high, with a focal height of 14 meters. It is situated on a reef off the northeastern tip of Taka Shima, an island between Hirado Shima and Azuchi Ō Shima. The structure features a round concrete tower with a gallery and a square equipment enclosure. Its white light emits two flashes every six seconds, visible for 11.6 nautical miles. The site is open to visitors, but the tower itself is closed to the public. The nearest port is Hirado, 4.2 kilometers away.

Why it matters: This lighthouse is essential for safe navigation through the complex island channels, specifically warning vessels of the reef near Taka Shima's northeastern coast.

Light & Optic

Characteristic Signature
Fl (2) White 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl W 6s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Hirado
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
A reef off the northeastern tip of Taka Shima, an island situated between Hirado Shima and Azuchi Ō Shima.
Latitude
33.4388°
Longitude
129.5472°

References & Identifiers

Nearest Port
Hirado(4.2 km)
Admiralty No.
M5250.8
NGA No.
12056
ARLHS No.
JPN-2257

Tower & Structure

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

Structure: round concrete tower with gallery and a square equipment enclosure

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sesaki Hana Lighthouse at night?+
Sesaki Hana displays the characteristic Fl (2) White 6s — 2 white flashes every 6 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 Sesaki Hana Lighthouse guide vessels into?+
Sesaki Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Hirado at 4.1 NM to the S. Other ports served include Tabira (4.8 NM SSE), Ikitsuki (6.6 NM WSW), Kawachi, Nagasaki (6.8 NM SSW), Emukae (8.1 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sesaki Hana Lighthouse still active and maintained?+
Yes, Sesaki 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 Sesaki Hana Lighthouse?+
Sesaki 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 Sesaki Hana Lighthouse?+
You can track vessels near Sesaki 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.