Châteauguay — Lacolle, qc

Located on the St Lawrence River, the riding extends south to Blackpool, east as far as Napierville and west to Sainte-Martine. The border crossing at Saint-Bernard-de-Lacolle on highway 15 along the Montreal-New York corridor is the busiest in the province.

There are nearly 50 public parks in the riding, including Îles-de-la-Paix National Wildlife Area and the Marguerite-d’Youville Wildlife Reserve on St-Bernard Island in Châteauguay. The former provides sanctuary to some 227 species of birds, 22 varieties of mammals and 12 types of reptiles and amphibians.