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Bonny River Lighthouse

Fl (2) W 20s🇳🇬Nigeria, NGOperational

Location & Light Range

About Bonny River Lighthouse

This lighthouse features a focal height of 30 meters and emits two white flashes every 20 seconds. Its light can be seen for a geographic range of 17 nautical miles. The lighthouse is operational in Nigeria.

Light & Optic

Characteristic Signature
Fl (2) W 20s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
20s
Raw Code
Fl.(2)W. period 20s
Focal Height
30m
Geographic Range
17NM

References & Identifiers

Admiralty No.
D3940
NGA No.
25064

Location

City
Nigeria
Country
🇳🇬NG
Latitude
4.4021°
Longitude
7.1367°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Bonny River Lighthouse at night?+
Bonny River displays the characteristic Fl (2) W 20s — 2 white flashes every 20 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.
Which ports and harbors does Bonny River Lighthouse guide vessels into?+
Bonny River Lighthouse assists vessels approaching 5 nearby ports. The closest is Bonny at 0.4 NM to the E. Other ports served include DAWES ISLAND (16.5 NM N), Onne (17 NM N), Ima (18.5 NM SE), Okrika (19.2 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bonny River Lighthouse still active and maintained?+
Yes, Bonny River 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 Bonny River Lighthouse?+
You can track vessels near Bonny River 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.