Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Gentilly Range Rear Lighthouse

F Green🇨🇦Bécancour, CAOperational

Location & Light Range

About Gentilly Range Rear Lighthouse

The Gentilly Range Rear light stands as a slender, square steel skeletal tower, painted red with a black vertical stripe. Built in 2008, this 24-meter structure replaced an earlier light that was first established in 1907. Its focal plane reaches 31 meters, casting a green light with a characteristic of a single green flash. The tower's design is functional, intended to provide clear visual alignment for vessels. Its geographic range extends to 15.5 nautical miles, supporting navigation along the south shore of the river near Bécancour.

Why it matters: As a rear range light, Gentilly provides critical directional guidance for vessels navigating the river near Bécancour. Its alignment with the front range light ensures ships maintain the correct course within the safe channel.

Light & Optic

Characteristic Signature
F Green
Flash Type
Fixed
Light Color
Green
Raw Code
F G
Focal Height
31m
Geographic Range
15.5NM

Construction & History

Year Built
2008
First Lit
1907

Significant events: Replacement of previous light around 2008

References & Identifiers

Nearest Port
Becancour(4.2 km)
Admiralty No.
H2370.1
NGA No.
4476
ARLHS No.
CAN-1261

Tower & Structure

Tower Height
24m
Tower Shape
square
Tower Color
red with a black vertical stripe
Material
steel

Structure: slender square steel skeletal tower

Location

City
Bécancour
Country
🇨🇦Canada
Region
Quebec
Sea Region
South shore of a river near Bécancour, serving as a range rear light.
Latitude
46.4080°
Longitude
-72.2732°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Gentilly Range Rear Lighthouse on the live nautical map

Plan voyages near Canada, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Gentilly Range Rear Lighthouse at night?+
Gentilly Range Rear displays the characteristic F Green. 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 Gentilly Range Rear Lighthouse guide vessels into?+
Gentilly Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Bécancour at 8 NM to the SW. Other ports served include Trois-Rivieres (Three Rivers) (12 NM WSW), Saint-Tite (23 NM NNW), Yamachiche (24.4 NM WSW), Notre-Dame-du-Bon-Conseil (24.7 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gentilly Range Rear Lighthouse still active and maintained?+
Yes, Gentilly Range Rear 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 Gentilly Range Rear Lighthouse?+
You can track vessels near Gentilly Range Rear 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.