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Toyohashi Kō Lighthouse

Fl G 5s🇯🇵Nagoya (Aichi Prefecture), JPOperational

Location & Light Range

About Toyohashi Kō Lighthouse

This white cylindrical tower stands 52 meters tall and is situated in Nagoya, within the Aichi Prefecture. Its focal plane is 17 meters above sea level. The lighthouse emits three green flashes every 10 seconds, with a geographic range of 2 nautical miles. It is identified by the NGA list number 5874 and the Admiralty number M6208.

Why it matters: This lighthouse marks the main entrance to the city's multiple harbors.

Light & Optic

Characteristic Signature
Fl G 5s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
5s
Raw Code
Fl.(3)G. period 10s
Focal Height
17m
Geographic Range
2NM

Location

City
Nagoya (Aichi Prefecture)
Country
🇯🇵JP
Latitude
34.7376°
Longitude
137.2708°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
52m
Tower Shape
cylindrical
Tower Color
white

Structure: White tower; 52

References & Identifiers

Admiralty No.
M6208
NGA No.
5874
ARLHS No.
JPN-1718
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Frequently Asked Questions

How do mariners identify Toyohashi Kō Lighthouse at night?+
Toyohashi Kō displays the characteristic Fl G 5s — 1 green flash every 5 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Toyohashi Kō Lighthouse guide vessels into?+
Toyohashi Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kamikawaguchi at 1.9 NM to the SE. Other ports served include Tahara (2.1 NM SSW), Toyohashi (2.7 NM ESE), Gamagori (5.1 NM NNW), Kuramai (5.4 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Toyohashi Kō Lighthouse still active and maintained?+
Yes, Toyohashi 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 Toyohashi Kō Lighthouse?+
Toyohashi 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 Toyohashi Kō Lighthouse?+
You can track vessels near Toyohashi 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.