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Beauharnois Upper Entrance Range Rear Lighthouse

F Green🇨🇦Salaberry-de-Valleyfield, CAOperational

Location & Light Range

About Beauharnois Upper Entrance Range Rear Lighthouse

A square skeletal tower standing 28 meters tall marks the Beauharnois Upper Entrance Range Rear. This orange structure, accented with a black vertical stripe, carries a green light with a focal height of 28 meters. It was established around 2017, replacing an earlier navigational aid. The light emits a continuous green signal, designed to guide vessels downstream into the western entrance of the Beauharnois Canal. Its geographic range extends to 14.9 nautical miles. While the tower is closed to the public, the site itself remains accessible.

Why it matters: This rear range light is indispensable for commercial vessels navigating the St. Lawrence Seaway, providing the precise alignment needed to safely enter the western approach of the Beauharnois Canal.

Light & Optic

Characteristic Signature
F Green
Flash Type
Fixed
Light Color
Green
Raw Code
F G
Focal Height
28m
Geographic Range
14.9NM

Construction & History

Significant events: Replaced around 2017

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
28m
Tower Shape
square
Tower Color
orange with a black vertical stripe
Material
steel

Structure: square skeletal tower carrying a daymark colored orange with a black vertical stripe

Location

City
Salaberry-de-Valleyfield
Country
🇨🇦Canada
Region
Quebec
Sea Region
Located in Salaberry-de-Valleyfield, Quebec, guiding vessels sailing downstream on the Seaway into the western entrance to the Beauharnois Canal.
Latitude
45.2367°
Longitude
-74.1212°

References & Identifiers

Nearest Port
Valleyfield(1.6 km)
Admiralty No.
H2538.1
NGA No.
5988
USCG No.
I-0076
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Frequently Asked Questions

How do mariners identify Beauharnois Upper Entrance Range Rear Lighthouse at night?+
Beauharnois Upper Entrance 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 Beauharnois Upper Entrance Range Rear Lighthouse guide vessels into?+
Beauharnois Upper Entrance Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Valleyfield at 1.4 NM to the SE. Other ports served include Coteau du Lac (3.4 NM WNW), L'Île-des-Soeurs (Nuns Island) (5.3 NM NE), Saint-Zotique (7.4 NM W), REAL (8.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Beauharnois Upper Entrance Range Rear Lighthouse still active and maintained?+
Yes, Beauharnois Upper Entrance 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 Beauharnois Upper Entrance Range Rear Lighthouse?+
You can track vessels near Beauharnois Upper Entrance 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.