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Mizuhashi Ko Lighthouse

Fl G 3s🇯🇵Honshu-Northwest Coast, JPInactive

Location & Light Range

About Mizuhashi Ko Lighthouse

This metal lighthouse stands 20 meters tall and features a round design. Its exterior is painted in alternating white and red bands. The focal height of the light is 12 meters above sea level. It emits a single green flash every 3 seconds. The geographic range of the light is 5 nautical miles. The lighthouse is currently not operational.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G. period 3s
Focal Height
12m
Light Range
5NM (9.3 km)
Geographic Range
5NM

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
36.7589°
Longitude
137.2991°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
round
Tower Color
white and red
Material
metal

Structure: White metal tower, red banded; 20

References & Identifiers

Admiralty No.
M7147
NGA No.
3116
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Frequently Asked Questions

How far offshore can Mizuhashi Ko Lighthouse be seen?+
With a focal height of 12 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Mizuhashi Ko is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Mizuhashi Ko Lighthouse at night?+
Mizuhashi Ko displays the characteristic Fl G 3s — 1 green flash every 3 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 Mizuhashi Ko Lighthouse guide vessels into?+
Mizuhashi Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Uozu, Toyama at 5.9 NM to the NE. Other ports served include Fushiki (8 NM W), Hiki (8 NM W), Toyama (8 NM W), Toyamashinko (8.8 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mizuhashi Ko Lighthouse still active and maintained?+
Mizuhashi Ko Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Mizuhashi Ko Lighthouse?+
Mizuhashi Ko 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 Mizuhashi Ko Lighthouse?+
You can track vessels near Mizuhashi Ko 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.