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Longue Pointe Traverse Upstream Range Rear Lighthouse

Iso Green 2s🇨🇦Longueuil, CAOperational

Location & Light Range

About Longue Pointe Traverse Upstream Range Rear Lighthouse

This cylindrical steel tower, 13 meters tall, serves as the rear light for the Longue Pointe Traverse Upstream Range. With a focal height of 20.5 meters, it emits a green isophase light, showing a single flash every 2 seconds, visible for 13.3 nautical miles. The structure features a lantern and gallery atop its unpainted steel form. It stands beside the Autoroute 20 (René Lévesque) freeway in Longueuil, Quebec, guiding vessels along a specific waterway traverse. The site is open to the public, though the tower itself remains closed.

Why it matters: As the rear range light, this signal is essential for vessels to maintain the correct course through the Longue Pointe Traverse, supporting safe and efficient navigation.

Light & Optic

Characteristic Signature
Iso Green 2s
Flash Type
Isophase
Light Color
Green
Interval
2s
Raw Code
Iso G 2s
Focal Height
20.5m
Geographic Range
13.3NM

Location

City
Longueuil
Country
🇨🇦Canada
Region
Quebec
Sea Region
Part of the Longue Pointe Traverse Upstream Range, located beside the Autoroute 20 (René Lévesque) freeway in Longueuil, guiding navigation through a specific waterway traverse.
Latitude
45.5601°
Longitude
-73.4941°

References & Identifiers

Nearest Port
Montreal(2.3 km)
ARLHS No.
CAN-1121

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
steel tower with lantern and gallery
Material
steel

Structure: round unpainted steel tower with lantern and gallery

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Longue Pointe Traverse Upstream Range Rear Lighthouse at night?+
Longue Pointe Traverse Upstream Range Rear displays the characteristic Iso 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 Longue Pointe Traverse Upstream Range Rear Lighthouse guide vessels into?+
Longue Pointe Traverse Upstream Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Montreal at 1 NM to the W. Other ports served include Lachine/Montreal (3.5 NM SW), Montréal-Est (4.4 NM N), Saint-Lambert (4.6 NM S), Pointe-aux-Trembles (5.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Longue Pointe Traverse Upstream Range Rear Lighthouse still active and maintained?+
Yes, Longue Pointe Traverse Upstream 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 Longue Pointe Traverse Upstream Range Rear Lighthouse?+
You can track vessels near Longue Pointe Traverse Upstream 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.