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St. Lawrence River

Cultural  
  1. River flowing northeast from Lake Ontario to the Atlantic Ocean. Ontario and Quebec, Canada, and New York state are along its banks.


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Important trade route. The St. Lawrence Seaway, a system of locks, allows oceangoing ships to pass between the Atlantic and the Great Lakes.

Example Sentences

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The port also faces challenges because of its position on the St. Lawrence River, about 1,000 nautical miles from the Atlantic Ocean.

From The Wall Street Journal Oct. 22, 2025

A year later, the bodies of eight people — an Indian family and a Romanian family — were recovered from the St. Lawrence River in Quebec.

From Seattle Times Feb. 12, 2024

Advocates have identified 12 wolves south of the St. Lawrence River, a natural obstacle for packs in Canada, since 1993.

From New York Times Jul. 7, 2023

Total of eight people from two families died last week trying to enter the United States from Canada by boat across the St. Lawrence River near Akwesasne, Quebec.

From Reuters Apr. 4, 2023

That was where the Quints were and the St. Lawrence River.

From "The Heart is a Lonely Hunter" by Carson McCullers

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