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Todo Hana Lighthouse

Oc White 8s🇯🇵Saiki, JPOperational

Location & Light Range

About Todo Hana Lighthouse

Also known as: Todo Hana (Saiki)

Located at the southern point of Onyu Shima, this lighthouse guides vessels into the port of Saiki. The structure consists of a 10-meter white concrete post attached to a 1-story square equipment room. Its focal height reaches 23 meters, and it emits an occulting white light every 8 seconds. The lighthouse has a geographic range of 13.8 nautical miles. Visitors can access the site, but the tower itself is closed to the public. Ferries crossing the Bungo Strait between Saiki and Sukomo offer views of the lighthouse.

Why it matters: This lighthouse is indispensable for maritime traffic, guiding ships safely into the port of Saiki, a key regional shipping destination. Its position also provides a critical navigational reference for vessels navigating the Bungo Strait.

Light & Optic

Characteristic Signature
Oc White 8s
Flash Type
Occulting
Light Color
White
Interval
8s
Raw Code
Oc W 8s
Focal Height
23m
Geographic Range
13.8NM

Location

City
Saiki
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
Located at the southern point of Onyu Shima, guiding vessels into the port of Saiki. It is visible from ferries crossing Bungo Strait between Saiki and Sukomo, Shikoku.
Latitude
32.9804°
Longitude
131.9245°

References & Identifiers

Nearest Port
Saiki(0.5 km)
Admiralty No.
M4918
NGA No.
10580
ARLHS No.
JPN-2337

Tower & Structure

Tower Height
10m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: A 10m concrete post attached to a square 1-story concrete equipment room, painted white.

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 Todo Hana Lighthouse at night?+
Todo Hana displays the characteristic Oc White 8s. 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 Todo Hana Lighthouse guide vessels into?+
Todo Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Saiki at 0.4 NM to the W. Other ports served include Urashiro (0.9 NM SSE), Tsukumi (6.7 NM NNW), Usuki (10.5 NM NNW), Kamae (10.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Todo Hana Lighthouse still active and maintained?+
Yes, Todo 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 Todo Hana Lighthouse?+
Todo 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 Todo Hana Lighthouse?+
You can track vessels near Todo 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.