The Jacques Cartier Strait (French

French language

French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...

: Détroit de Jacques-Cartier) is a strait in eastern Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, flowing between Anticosti Island

Anticosti Island

Anticosti Island is an island at the outlet of the Saint Lawrence River into the Gulf of Saint Lawrence, in Quebec, Canada, between 49° and 50° N., and between 61° 40' and 64° 30' W. At in size, it is the 90th largest island in the world and 20th largest island in Canada...

 and the Labrador Peninsula

Labrador Peninsula

The Labrador Peninsula is a large peninsula in eastern Canada. It is bounded by the Hudson Bay to the west, the Hudson Strait to the north, the Labrador Sea to the east, and the Gulf of Saint Lawrence to the south-east...

. It is one of the two outlets of the Saint Lawrence River

Saint Lawrence River

The Saint Lawrence is a large river flowing approximately from southwest to northeast in the middle latitudes of North America, connecting the Great Lakes with the Atlantic Ocean. It is the primary drainage conveyor of the Great Lakes Basin...

 into its estuary, the Gulf of Saint Lawrence

Gulf of Saint Lawrence

The Gulf of Saint Lawrence , the world's largest estuary, is the outlet of North America's Great Lakes via the Saint Lawrence River into the Atlantic Ocean...

. The other is the Honguedo Strait

Honguedo Strait

The Honguedo Strait is a strait in eastern Quebec, Canada, flowing between Anticosti Island and the Gaspé Peninsula. It is one of the two outlets of the Saint Lawrence River into its estuary, the Gulf of Saint Lawrence...

 on the south side of Anticosti Island.

The Jacques Cartier Strait is approximately 35 kilometres (21.7 mi) wide at its narrowest point.

Jacques Cartier Strait was officially named for the French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 explorer Jacques Cartier

Jacques Cartier

Jacques Cartier was a French explorer of Breton origin who claimed what is now Canada for France. He was the first European to describe and map the Gulf of Saint Lawrence and the shores of the Saint Lawrence River, which he named "The Country of Canadas", after the Iroquois names for the two big...

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.