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Niishima Kō Lighthouse

Fl Red 3s🇯🇵Tokyo, JPOperational

Location & Light Range

About Niishima Kō Lighthouse

Also known as: Niijima

The Niishima Kō lighthouse, established in 1990, is a red, cylindrical tower with a flared top standing 11 meters tall. Its focal height reaches 13 meters above sea level, emitting a single red flash every 3 seconds. This light has a geographic range of 11.3 nautical miles, guiding vessels into Niijima Port. The lighthouse is located just 0.3 kilometers from the nearest port on Niijima, one of the Izu Islands. While the lighthouse site is accessible, the tower itself remains closed to the public.

Why it matters: This lighthouse is essential for safely navigating into and out of Niijima Port, a primary gateway for the island. It specifically assists ferries and fishing vessels, contributing to the safety of local commerce and tourism.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
1990

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red

Structure: round cylindrical tower with a flared top

Location

City
Tokyo
Country
🇯🇵Japan
Region
Oshima Subprefecture
Sea Region
Niijima Port, one of the Izu Islands in Japan, guiding vessels into the harbor.
Latitude
34.3705°
Longitude
139.2422°

References & Identifiers

Nearest Port
Niijima(0.3 km)
ARLHS No.
JPN-415
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Frequently Asked Questions

How do mariners identify Niishima Kō Lighthouse at night?+
Niishima Kō 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 Niishima Kō Lighthouse guide vessels into?+
Niishima Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Toshima/Tokyo at 8.9 NM to the N. Other ports served include Shimoda, Shizuoka (22.8 NM NW), Inatori (26.1 NM NNW), Nishitokyo (26.1 NM NNE), Okada (26.2 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Niishima Kō Lighthouse still active and maintained?+
Yes, Niishima 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 Niishima Kō Lighthouse?+
Niishima 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 Niishima Kō Lighthouse?+
You can track vessels near Niishima 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.