Lock schedule for the 2025 season

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Lock schedule for the 2025 season

To find out all you need to know about Parc Canada’s locks, schedules, telephone numbers for lock operators, lock dimensions, etc., here are the links to the various websites.

In general: the season opens on Friday, May 16 to October 13, 2025.

Park Canada lock websites, click on the name of the canal:

• Canal de Ste-Ours (Richelieu river)
• Canal de Chambly (Richelieu river)
• Canal Carillon (Outaouais river)
• Canal Ste-Anne-de-Bellevue (Outaouais river)
• Canal Lachine (Down-town Montréal)
• Canal Rideau (Ontario)
• Canal Trent-Severn (Ontario)
• Canal Canal-de-Sault Ste. Marie (Ontario)

This is the general link, click here.

The website for the locks of the St. Lawrence Seaway,i.e. for the Saint-Lambert lock, the Côte-Sainte-Catherine lock, etc., for example:

Here’s the link to the website, Click here.

In short:

Seaway canals

The Seaway system is linked by five short canals. There are 15 locks, which fill and empty by gravity.

• Canal de la Rive Sud: (two locks: Saint-Lambert and Côte-Sainte-Catherine) 14 nautical miles between the Port of Montreal and Lac Saint-Louis.
• Canal de Beauharnois (two locks): 11.3 nautical miles from Lake Saint-Louis to Lake Saint-François
• Canal Wiley-Dondero (two American locks, Snell and Eisenhower): 8 nautical miles to provide access to the St. Lawrence River
• Canal d’Iroquois (one lock): and a 0.3-nautical-mile water-level regulation facility
• Canal Welland (eight locks): of the seven locks at the north end, three are twinned and contiguous; the eighth, at the south end, is a control lock; 23.5 nautical miles; the canal links Lake Ontario to Lake Erie.

The team of brokers at Ita Yachts Canada and its ProprioBateau division wishes you a sunny summer.