The Gargantua River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Algoma District

Algoma District, Ontario

Algoma District is a district and census division in Northeastern Ontario in the Canadian province of Ontario. It was created in 1858 comprising territory as far west as Minnesota...

 of Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, 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...

 which empties into Warp Bay on Lake Superior

Lake Superior

Lake Superior is the largest of the five traditionally-demarcated Great Lakes of North America. It is bounded to the north by the Canadian province of Ontario and the U.S. state of Minnesota, and to the south by the U.S. states of Wisconsin and Michigan. It is the largest freshwater lake in the...

 south of Wawa, Ontario

Wawa, Ontario

Wawa is a township in the Canadian province of Ontario, located within the Algoma District. Formerly known as the township of Michipicoten, the township was officially renamed for its largest and best-known community in 2009....

. It flows through Lake Superior Provincial Park

Lake Superior Provincial Park

Lake Superior Provincial Park is one of the largest provincial parks in Ontario, covering about along the northeastern shores of Lake Superior between Wawa and Sault Ste. Marie in Algoma District, Northeastern Ontario, Canada...

.

Up until the 1940s, Gargantua Harbour, at the river's mouth, was a busy port and the site of a thriving commercial fishery. The unintended introduction of the sea lamprey

Lamprey

Lampreys are a family of jawless fish, whose adults are characterized by a toothed, funnel-like sucking mouth. Translated from an admixture of Latin and Greek, lamprey means stone lickers...

 into Lake Superior contributed to the decline of this type of activity on the lake.

The region was named by 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...

 after the giant in François Rabelais

François Rabelais

François Rabelais was a major French Renaissance writer, doctor, Renaissance humanist, monk and Greek scholar. He has historically been regarded as a writer of fantasy, satire, the grotesque, bawdy jokes and songs...

' satire "Gargantua and Pantagruel

Gargantua and Pantagruel

The Life of Gargantua and of Pantagruel is a connected series of five novels written in the 16th century by François Rabelais. It is the story of two giants, a father and his son and their adventures, written in an amusing, extravagant, satirical vein...

". Pantagruel Bay can be found nearby.