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Île de Grâce Range Rear Lighthouse

F Green 2s🇨🇦Sainte-Anne-de-Sorel, CAOperational

Location & Light Range

About Île de Grâce Range Rear Lighthouse

Constructed in 1905, this square, metal skeletal tower stands 16.5 meters tall, with its light positioned 22 meters above the water. The structure features a lantern room painted red and a white watch room, which has a red front face marked with a black vertical stripe. The tower itself is painted black. It emits a single green flash, visible for 13.6 nautical miles. The Île de Grâce Range Rear light is situated about 600 meters east-northeast of its front range counterpart in Canadian waters near Sainte-Anne-de-Sorel. The site is open to the public, but the tower is closed.

Why it matters: As the rear portion of a range light system, this structure is essential for guiding vessels along a specific safe channel, ensuring precise navigation.

Light & Optic

Characteristic Signature
F Green 2s
Flash Type
Fixed
Light Color
Green
Interval
2s
Raw Code
F G
Focal Height
22m
Geographic Range
13.6NM

Construction & History

Year Built
1905

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
16.5m
Tower Shape
square
Tower Color
Tower painted black, watch room white, lantern red; the front face of the watch room is red with a black vertical stripe on the range line.
Material
metal

Structure: square pyramidal skeletal tower with lantern and enclosed watch room

Location

City
Sainte-Anne-de-Sorel
Country
🇨🇦Canada
Region
Quebec
Sea Region
Located about 600 m east northeast of the front range, in Canadian waters.
Latitude
46.0705°
Longitude
-73.0432°

References & Identifiers

Nearest Port
Sorel(3.6 km)
Admiralty No.
H2426.1
NGA No.
5108
ARLHS No.
CAN-1096
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Frequently Asked Questions

How do mariners identify Île de Grâce Range Rear Lighthouse at night?+
Île de Grâce Range Rear displays the characteristic F Green 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 color may indicate a specific sector or warning zone.
Which ports and harbors does Île de Grâce Range Rear Lighthouse guide vessels into?+
Île de Grâce Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Sorel at 3.3 NM to the WSW. Other ports served include Sorel-Tracy (3.3 NM WSW), Sainte-Victoire-de-Sorel (6.7 NM SW), Saint-François-du-Lac (8.7 NM E), Contrecoeur (13 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Île de Grâce Range Rear Lighthouse still active and maintained?+
Yes, Île de Grâce 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 de Grâce Range Rear Lighthouse?+
You can track vessels near Île de Grâce 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.