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Rikibiru Kō Lighthouse

Fl (2) Red 8s🇯🇵Tomamae, JPOperational

Location & Light Range

About Rikibiru Kō Lighthouse

Built in 1967, Rikibiru Kō lighthouse is a red, cylindrical concrete tower standing 11 meters tall. It features a lantern and gallery and emits a red flash every 8 seconds. The lighthouse is situated on a breakwater marking the entrance to Rikibiru harbor. It lies approximately 6.5 kilometers north of Onishika and 8 kilometers south of Tomamae. The structure is 11 meters above sea level and has a geographic range of 10.7 nautical miles.

Why it matters: This lighthouse is essential for the safe navigation of vessels entering and leaving Rikibiru harbor. Its specific light characteristic clearly marks the harbor entrance, guiding mariners and preventing groundings.

Light & Optic

Characteristic Signature
Fl (2) Red 8s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
8s
Raw Code
Fl R 8s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1967

References & Identifiers

Nearest Port
Haboro(9.1 km)
ARLHS No.
JPN-953

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Tomamae
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located on a breakwater at the entrance to the harbor of Rikibiru, approximately 6.5 km north of Onishika and 8 km south of Tomamae.
Latitude
44.2249°
Longitude
141.6534°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Rikibiru Kō Lighthouse at night?+
Rikibiru Kō displays the characteristic Fl (2) Red 8s — 2 red flashes every 8 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Rikibiru Kō Lighthouse guide vessels into?+
Rikibiru Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Tomamae at 5.5 NM to the N. Other ports served include Haboro (9.1 NM NNE), Yagishiri (16.1 NM NW), Rumoi (16.2 NM S), Nishiura (17 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rikibiru Kō Lighthouse still active and maintained?+
Yes, Rikibiru 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.
How can I track vessels near Rikibiru Kō Lighthouse?+
You can track vessels near Rikibiru 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.