A strategic passage

Coteau-du-Lac National Historic Site

The Coteau-du-Lac rapids, stretching for 12.8 km between Lake St. Louis and Lake St. Francis, are the most turbulent section of the St. Lawrence River.

The water drops a total of 25.6 metres over this section, for an average slope of 1.9 metres per kilometre, the steepest anywhere on the St. Lawrence.

Download the map (PDF, 313 Kb)

Coteau-du-Lac: A Strategic Passage
Coteau-du-Lac: A Strategic Passage
© Parks Canada

Date modified :