Site schedule

The national historic site is open every day of the year from 7 a.m. to 10 p.m. from Victoria Day to Thanksgiving (mid-May to mid-October). For oTENTik accommodations dates and rates, go to the oTENTik section of our website. 

Navigation schedule 2019

Transit time: 30 minutes

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 : 450-785-2212

By VHF-Canal 68 during hours of operation

Hours of operation

Please arrive at least 60 minutes before the last lockage. The floating docks are located on starboard (island side).

May 17 to June 20
Monday to Friday 9 a.m. to 4 p.m.
Saturday, Sunday and holidays 9 a.m. to 5 p.m.
June 22 to August 11
Monday to Friday 9 a.m. to 6:30 p.m.
Saturday, Sunday and holidays 9 a.m. to 6:30 p.m.
August 12 to September 2
Monday to Friday 9 a.m. to 5 p.m.
Saturday, Sunday and holidays 9 a.m. to 6:30 p.m.
September 3 to October 14
Monday to Friday 9 a.m. to 4 p.m.
Saturday, Sunday and holidays 9 a.m. to 5 p.m.

Other canals navigation 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


2019 Opening hours of the Saint-Ours dam and fishway

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

May 20 to June 22
Saturday, Sunday and holidays 10 a.m. to 4 p.m.
June 23 to August 19
Thursday to Monday 10 a.m. to 6 p.m.
Tuesday and Wednesday Closed
August 20 to September 3
Monday, Thursday and Friday 10 a.m. to 4 p.m.
Saturday, Sunday and holidays 10 a.m. to 6 p.m.
Tuesday and Wednesday Closed
September 4 to October 8
Saturday, Sunday and holidays 10 a.m. to 4 p.m.

Emergency services can access the dam at all times.