Saint-Jean-sur-Richelieu 's a city in the province of Quebec, Canada about southeast of Montreal. It's situated on the west bank of the Richelieu River at the northernmost navigable point of Lake Champlain., the city's population was 87,492. (Canada 2006 Census) History Historically, the city has been an important transportation hub. The first railway line in British North America connected it with La Prairie in 1836. It also hosts the annual "Festival International des Montgolfières", an… (More on Saint-jean-sur-richelieu)