The Jacques Cartier Strait (French: Détroit de Jacques-Cartier) is an arm of the sea located in the Gulf of St. Lawrence, between the shore of Côte-Nord region and the North of Anticosti Island, in Quebec, Canada.

Toponymy

The other arm of the sea is the Honguedo Strait located on the south side of Anticosti Island and the Gaspé Peninsula. The Jacques Cartier Strait is approximately 40 km wide. Jacques Cartier Strait was officially named for the French explorer Jacques Cartier in 1934 by the Geographic Board of Quebec to commemorate the 400th anniversary of his arrival in North America. Prior to this, it was also known as Détroit Saint-Pierre (by Cartier himself on August 1, 1534, the day of St. Peter), Labrador Channel (until 1815), and Mingan Passage.