Parks Canada has announced an investment of $170 million over the next five years for the Lachine Canal National Historic Site to upgrade its facilities and thus enhance the overall experience of more than a million people who visit the site annually.

In parallel to this major work, sites related to external projects affect the infrastructure of the Lachine Canal as well as its users. On this page, you will find information related to the work that has an impact on users of the path and the banks.

Ongoing Work


Work zone
Closed section
Suggested detour
Zones with obstructions

Ongoing work

Arrondissement Le Sud-Ouest

Rehabilitation of canal walls, between George-Étienne-Cartier and Atwater Footbridges

Period: May 6 to the end of October, 2019

Proponent: Government of Canada

Notice to users: A temporary path is located just a few meters from the actual path, between George-Étienne-Cartier Footbridge and the CN/St-Henri Bridge. During the work, please exercise caution and comply with construction zones and on-site signage.

For more details, please consult the Info-Work.


Arrondissement Sud-Ouest

Temporary deviation of the Lachine Canal path on the south side between Charlevoix and Island Streets for safety reasons.

Notice to users: Third party work forces the deviation of the Lachine Canal path on the south side between Island and Charlevoix streets for an indefinite period. Please comply with on-site signage.


Arrondissement Ville-Marie

Construction work on the elevated structure of the Réseau express métropolitain (REM). Closure of the path on the Wellington bridge – flaggers will assist with the traffic flow. 

Period: April 7 to November, 2019

Proponent: CDPQ Infra

Notice to users: On-site detour suggestion, please comply with the traffic signs.

For more information, visit the site of the Réseau express métropolitain or the press release.


Arrondissement Le Sud-Ouest

Building of visitor experience facilities: construction of a new pathway section, a service building and event venues

Location: North side of the canal, between Atwater Avenue and Des Seigneurs Street.

Duration: August 2018 to August 2019.

For more details, read the announcement. 


Arrondissement Le Sud-Ouest – Saint-Henri and Côte-Saint-Paul Sectors

Closure of the path on the north side of the Canal between the Sir-George-Étienne-Cartier Footbridge and the Lock No 4 (Côte-Saint-Paul Lock); detour via the path on the south side of the Canal.

Period: October 2017 to December 2019

Work: Repairs to the walls of the canal on the north side.

Proponent: Government of Canada.

Notice to users: Path not accessible on the north side. Detour set up on the south side of the path, in the same sector, crossing the Sir-George-Étienne-Cartier Footbridge (Beaudoin Street) to the east and the temporary footbridge at Lock No. 4 (de la Côte-Saint-Paul) to the west. Please, comply with the traffic signs in place.

Read the announcement for more details.

Deviation of the Lachine Canal path in the Gadbois sector, under Highway 15

Period: January 27 to summer 2019

Work: Reconstruction of the Turcot interchange

Proponent: Ministère des Transports

Notice to users: Closures are expected in the area in the coming weeks, including a deviation of the Lachine Canal path. On-site detour suggestions. Please comply with the traffic signs.

For more information, visit the website of the Ministère des Transports, de la Mobilité durable et de l'Électrification des transports


Arrondissement Le Sud-Ouest – Mill Sector

Temporary closure of the Mill parking.

Period: until May 2020

Work: Mobilization linked to the work done at Parks Canada workshops on Mill Street.

Proponent: Government of Canada.

Notice to users: parking unavailable. Please use another place to park your vehicle.


Arrondissement LaSalle and Lachine 

Gauron Bridge: Decreasing of the allowed weight limits

Period and duration: As of June 2018 for an indeterminate duration.

Notice to users: The weight limits for heavy vehicles on the Gauron Bridge has been revised to 24 tons, 30 tons and 36 tons respectively for vehicles of one (1) unit, two (2) and three (3) units. Vehicles whose weight exceeds the stated limits are invited to use an alternative route.

Read the information bulletin for more details.