Hours of operation

The national historic site is open every day of the year from 7 a.m. to 10 p.m.

Lockstation hours 2023

Additional information

• Transit time: 30 minutes
• Please arrive at least 60 minutes before the last lockage. The floating docks are located on starboard (island side). 
• Please take note that times of first and last lockages are not guaranteed. To maximize chances of being locked through, arrive early enough to allow complete lockages in both directions.

To contact lock keepers

By phone : 450-755-8140

By VHF-Canal 68 during hours of operation

Opening hours of the Saint-Ours dam and fishway*

Due to recent acts of vandalism, the dam will close at 3:30 p.m. Monday to Friday, and at 4:30 p.m. on Saturdays and Sundays. As of October 9, the dam will be closed at all times.

The Saint-Ours dam is now accessible to pedestrians and cyclists at all times during the operating season.

The fishway is open daily from 10 a.m. to 6 p.m.*.

*Subject to change. Please consult the schedule posted at the entrance of the dam located on the Saint-Roch-de-Richelieu side for the most up-to-date information.

Other canals schedules

Plan your itinerary efficiently by using these hyperlinks to the navigation schedules of the other canals within the Parks Canada network.

Historic canals in Quebec

• Lachine Canal navigation schedule
• Chambly Canal navigation schedule
• Carillon Canal navigation schedule
• Sainte-Anne-de-Bellevue Canal navigation schedule

Historic canals in Ontario

• Trent-Severn Waterway navigation schedule
• Rideau Canal navigation schedule