St. Lawrence Cruise Lines

Montreal Guided Sightseeing Cruise

Today the St. Lawrence Seaway from Lake Ontario to Montreal officially closes! Here’s why it’s important for large-scale ships to stay off the St. Lawrence River during winter: 🚢 Navigating through the River while the water is low can lead to ships running aground. This damages the river bottom and can lead to pollutant spilling. 🛢️ There is less overall risk for oil spills and other pollutants, especially during a time of year when clean-up is extremely difficult! 🧊 Winter ice can amplify wa

The St. Lawrence River experienced historic low water levels in the late summer and fall of 2025, the lowest in over a decade, due to a dry summer. This drought-induced low water has caused navigational hazards, stranded boats, and raised concerns about fish habitat and recreational activities. In August 2025, water levels in Montreal and the St. Lawrence River system were the lowest seen in an August since 2012. This is a view of the Yamachiche River near Trois-Rivieres, Quebec, flowing into th

What makes the St. Lawrence River so dangerous for swimmers?

St. Lawrence River Fishing: What to Know About This Popular Fishery Before You Go