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Niihama Kō Breakwaters Lanterns Lighthouse

Fl red 3s🇯🇵Niihama, JPOperational

Location & Light Range

About Niihama Kō Breakwaters Lanterns Lighthouse

This concrete post structure, attached to a 1-story concrete building, stands 8.5 meters tall with its light positioned 12 meters above sea level. Built in 1937, the lighthouse has a red tower and emits a single red flash characteristic. It is situated in Niihama Port, Ehime Prefecture, Japan, marking the breakwaters. The lighthouse has a geographic range of 11 nautical miles, guiding vessels into the port.

Why it matters: This light is critical for the safe navigation of vessels entering and exiting Niihama Port, precisely delineating the breakwaters and preventing collisions. Its continuous operation since 1937 underscores its enduring value to the region's maritime economy.

Light & Optic

Characteristic Signature
Fl red 3s
Flash Type
Flashing
Light Color
red
Interval
3s
Raw Code
Fl.R
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1937

References & Identifiers

Nearest Port
Niihama(4.3 km)
Admiralty No.
M5475.2
NGA No.
8686.5
ARLHS No.
JPN-2423

Tower & Structure

Tower Height
8.5m
Tower Shape
square
Tower Color
red
Material
concrete

Structure: concrete post attached to a square 1-story concrete equipment building

Location

City
Niihama
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
Niihama Port, Japan, marking the breakwaters
Latitude
33.9886°
Longitude
133.3314°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Niihama Kō Breakwaters Lanterns Lighthouse at night?+
Niihama Kō Breakwaters Lanterns displays the characteristic Fl red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Niihama Kō Breakwaters Lanterns Lighthouse guide vessels into?+
Niihama Kō Breakwaters Lanterns Lighthouse assists vessels approaching 5 nearby ports. The closest is Niihama at 2.1 NM to the WSW. Other ports served include Saijo (9.3 NM WSW), Mishima, Kawanoe (10.8 NM E), Ishima (10.9 NM E), Iyomishima (10.9 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Niihama Kō Breakwaters Lanterns Lighthouse still active and maintained?+
Yes, Niihama Kō Breakwaters Lanterns 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 Niihama Kō Breakwaters Lanterns Lighthouse?+
Niihama Kō Breakwaters Lanterns 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 Niihama Kō Breakwaters Lanterns Lighthouse?+
You can track vessels near Niihama Kō Breakwaters Lanterns 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.