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Île aux Raisins Range Rear Lighthouse

F Green/White 2s🇨🇦Saint-François-du-Lac, CAOperational

Location & Light Range

About Île aux Raisins Range Rear Lighthouse

This steel skeletal mast, standing 23.5 meters tall, was first lit in 1863. It is painted orange with a black vertical stripe and carries a daymark. The original rear light structure was replaced in 1903. The focal height of the light is 27 meters, and its geographic range is 14.7 nautical miles. The illumination consists of a continuous green light and an isophase white light, each on a 2-second cycle.

Why it matters: This rear range light is part of a system guiding navigation south of its front counterpart. It provides the critical alignment needed for vessels to accurately traverse a specific channel.

Light & Optic

Characteristic Signature
F Green/White 2s
Flash Type
Fixed
Light Color
Green/White
Interval
2s
Raw Code
F G and Iso W 2s
Focal Height
27m
Geographic Range
14.7NM

Construction & History

First Lit
1863

Significant events: First rear light replaced in 1903

References & Identifiers

Nearest Port
Sorel(7.2 km)
Admiralty No.
H2414.1
NGA No.
5032

Tower & Structure

Tower Height
23.5m
Tower Shape
square
Tower Color
orange with a black vertical stripe
Material
steel

Structure: square skeletal mast carrying a daymark painted orange with a black vertical stripe

Location

City
Saint-François-du-Lac
Country
🇨🇦Canada
Region
Quebec
Sea Region
A range rear light in Canada, located south of its front light, guiding navigation.
Latitude
46.0980°
Longitude
-72.9666°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Île aux Raisins Range Rear Lighthouse at night?+
Île aux Raisins Range Rear displays the characteristic F Green/White 2s. 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/white color may indicate a specific sector or warning zone.
Which ports and harbors does Île aux Raisins Range Rear Lighthouse guide vessels into?+
Île aux Raisins Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Saint-François-du-Lac at 5.9 NM to the ESE. Other ports served include Sorel (6.9 NM WSW), Sorel-Tracy (6.9 NM WSW), Sainte-Victoire-de-Sorel (10.2 NM SW), Yamachiche (12.4 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Île aux Raisins Range Rear Lighthouse still active and maintained?+
Yes, Île aux Raisins 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 Île aux Raisins Range Rear Lighthouse?+
You can track vessels near Île aux Raisins 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.