Recreational Boating

Lockage Schedule for Pleasure Craft – 2019 Season

For the 2019 season, the St. Lawrence Seaway Management Corporation (SLSMC) maintains its service offering for pleasure craft, with dates and times of locks operation similar to those of the Parks Canada Locks.

The Saint-Lambert, Côte Sainte-Catherine and Beauharnois Locks will be open for the passage of pleasure crafts, according to the schedule below:

Dates From To
May 10 to May 12, 2019 9:00 am 5:00 pm
From May 17  to June  20, 2019 9:00 am 5:00 pm
From June 21 to September 2, 2019 (Labour Day) 9:00 am 8:00 pm
From September 3 to October  14, 2019  (Thanksgiving) 9:00 am 5:00 pm
October 18, 19 and 20, 2019 9:00 am 5:00 pm

In order to guarantee the passage at the end of the day, pleasure craft must be present at the lock one (1) hour before the end of the time indicated in the schedule above and transit of the South Shore (2 locks) and/or Beauharnois (2 locks) sections will be allowed, depending of the commercial maritime traffic.

In addition, two (2) daily lockages will be scheduled in advance during the high season (June 15 to September 15) and will be available on our website as well as via audio recording message at (450) 672-4115, extension 2235.

Lockage information is updated twice daily, at approximately 7:30 and 1:00pm.

This information provided is as accurate as possible but its accuracy cannot be guaranteed. Changes in traffic patterns or unforeseen incidents may result in changes or delays to the posted schedule.

For Snell and Eisenhower US locks, as well as for Iroquois lock in Ontario, there will be no preset lockage schedules for pleasure craft. The schedule for the Larocque Lift Bridge in Valleyfield is also posted on our website.

Please note that the rights of way payment at Canadian locks must be made by credit card at the various terminals provided for this purpose or by electronic payment on our website (PayPal or Secunik). The St. Lawrence Seaway Management Corporation will no longer accept cash. There are no changes for payment at US locks.

You can send us your comments to the following address:

We wish you a good 2019 season!