Saint Lawrence River

Great Lakes outlet

The Saint Lawrence River is a major North American waterway flowing from Lake Ontario to the Atlantic Ocean, forming part of the border between the United States and Canada.

It connects the Great Lakes to the sea, making it a crucial shipping route.

The river gives its name to the Gulf of Saint Lawrence, where it empties into the Atlantic.

Opposites
water body type

Saint Lawrence RiverGreat Lakes

Five connected inland seas

Lake Superior · Lake Ontario · Atlantic Ocean · ocean · reservoir

geographic direction/drainage

Saint Lawrence RiverMississippi River

Longest North American watercourse

Colorado River · Columbia River · Rio Grande · Missouri River

climate/latitude

Saint Lawrence RiverAmazon River

Brazil's massive waterway

Congo River · Orinoco River · Nile River · Ganges River · Mekong River

Family

saint, saintly, sainthood, saintliness, saints, Lawrence, river, rivers, riverine

Familiarity
Top 500,000
Profile
Mostly American · Timeless · Concrete · Everyday, not technical · Rated G