The St. Lawrence River is Québec's principal waterway and one of the most important in North America. It flows west to east across the province for over 1,200 kilometres, linking the Great Lakes to the Atlantic Ocean.

The true backbone of the territory, the St. Lawrence has served as a transportation corridor, food source, and meeting point for Indigenous peoples, explorers, and the generations who helped build Québec.

The Algonquian peoples called it "Magtogoek", meaning "the path that walks" or "the road that moves" — an expression that evokes the constant movement of its waters and its role as a travel route across the territory.

Originating in the Great Lakes, the St. Lawrence draws its waters from the world's largest freshwater reservoir. This vast watershed feeds the river from Lake Ontario all the way to the shores of Québec.

The river then cuts through the heart of Québec, passing the shores where the first cities of New France were founded — Montréal, Trois-Rivières, Québec City — becoming the central axis of an entire civilization.

At its mouth, the St. Lawrence widens into a vast estuary before joining the gulf and the Atlantic, forming one of the most important cold-water marine ecosystems in North America.

1,197 km

total length of the river, from the Great Lakes to the Atlantic mouth

25 %

of the world's freshwater reserves contained in the Great Lakes watershed

40 M

people depend on the St. Lawrence watershed for their water supply

The St. Lawrence is not just a river. It is the living memory of a continent.

Millions of voices have mingled in its waters — Indigenous peoples, settlers, fishers, builders.

And its waters continue to flow, indifferent to time, toward the Atlantic horizon.

Experiment

Fleuve Saint-Laurent

A scroll-driven visual storytelling experiment orchestrated with GSAP and ScrollTrigger.

  • GSAP
  • SVG
  • MapLibre
  • CartoDB

A scroll-driven visual storytelling experiment exploring the history of the Saint Lawrence River. The page combines animated SVG masking, a MapLibre vector map, video crossfades, and cinematic typography — all orchestrated with GSAP and ScrollTrigger.