Hours of operation

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

Site schedule

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

Lockstation hours 2021

Date Hours
May 21 - June 17 Monday to Friday: 9 a.m. to 4 p.m.

Saturday, Sunday and holidays: 9 a.m. to 5 p.m.
June 18 - August 8 Every day: 9 a.m. to 6:30 p.m.
August 9 - September 6 Monday to Friday: 9 a.m. to 5 p.m.
  Saturday, Sunday and holidays: 9 a.m. to 6:30 p.m.
September 7 - October 11 Monday to Friday: 9 a.m. to 4 p.m.

Saturday, Sunday and holidays: 9 a.m. to 5 p.m.

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.

Transport Canada's physical distancing standards for Canadian boaters must be respected. It is possible that boat capacity may be considerably reduced, and that the waiting time may be increased. We appreciate your patience and collaboration.

To contact lock keepers

By phone : 450-785-2212

By VHF-Canal 68 during hours of operation

2021 Opening hours of the Saint-Ours dam and fishway*

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 am to 6 pm*.

*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

Historic canals in Ontario