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None Kō Lighthouse

Fl Green 3s🇯🇵Toyo, JPOperational

Location & Light Range

About None Kō Lighthouse

This lighthouse stands on a detached outer breakwater at the entrance to None harbor in Tōyō, Japan. The structure consists of a 7-meter concrete post atop a 1-story concrete equipment shelter. It emits a green flash every 3 seconds. The site is accessible by boat, offering a water-level view of the harbor entrance and breakwater, though the tower itself is closed to visitors. It guides vessels navigating into the harbor.

Why it matters: This light marks the detached outer breakwater, ensuring safe passage for vessels entering and exiting None harbor, particularly protecting local fishing fleets.

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
Toyo
Country
🇯🇵Japan
Region
Kochi Prefecture
Sea Region
Located on a detached outer breakwater of the None harbor in Tōyō, Japan.
Latitude
33.4954°
Longitude
134.2715°

References & Identifiers

Nearest Port
Kannoura(3.3 km)
Admiralty No.
M5585.3
NGA No.
10065

Tower & Structure

Tower Height
7m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: A 7m concrete post rising from a square 1-story concrete equipment shelter.

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 None Kō Lighthouse at night?+
None Kō 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 None Kō Lighthouse guide vessels into?+
None Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kannoura at 3.3 NM to the NNE. Other ports served include Asakawa (9.5 NM NNE), Nahari (13.5 NM WSW), Murotsu, Kochi (14.2 NM SSW), Hiwasa (19.7 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is None Kō Lighthouse still active and maintained?+
Yes, None 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 None Kō Lighthouse?+
None 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 None Kō Lighthouse?+
You can track vessels near None 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.