Running across the province of Québec, the St. Lawrence is an integral part of the lives of local residents. In addition, this waterway was the main route for European navigators to explore this vast territory, but its importance was already recognized long before that by the First Nations communities living along its shores. The St. Lawrence plays a vital role in the Québec economy, provides access to drinking water and is a source of electric power. However, do you know these five unusual facts about this mighty waterway?