List of canals in Canada

File:Welland Canal image.png

A ship passing through the Welland Canal in St. Catharines, 2017

There exists a number of canals in Canada that are used as aqueducts, diversionary channels for power stations, and for shippings.

Natural canals

A natural canal exists between the Magaguadavic River and Lake Utopia outside St. George, New Brunswick.

Shipping canals

Active

Canal	Province	Length	Number of locks	Max boat length	Start point	End point	Year opened	Notes
Beauharnois Canal	Quebec		2		Lake Saint Francis	Lake Saint-Louis	1932	Later incorporated as a part of the Saint Lawrence Seaway
Canso Canal	Nova Scotia		1		St. George's Bay	Chedabucto Bay	1955
Carillon Canal	Quebec		1		Ottawa River	Ottawa River	1830
Chambly Canal	Quebec		9		Richelieu River (Chambly)	Richelieu River (Saint-Jean-sur-Richelieu)	1843
Dougall Canal	Ontario				Lake Couchiching	Lake Couchiching	c. 1960s	Forms part of the Trent–Severn Waterway
Lachine Canal	Quebec		5Template:Notetag		Saint Lawrence River (Old Port of Montreal)	Lake Saint-Louis	1825
Murray Canal	Ontario				Bay of Quinte	Lake Ontario	1889
Pender Canal	British Columbia				Bedwell Harbour	Port Browning	1903
Rideau Canal	Ontario		47		Ottawa River (Ottawa)	Lake Ontario (Kingston)	1832
Saint Lawrence Seaway	Ontario & QuebecTemplate:Notetag		15		Saint Lawrence River (Old Port of Montreal)	Lake Erie (Port Colborne)	1959
Sainte-Anne-de-Bellevue Canal	Quebec				Lake Saint-Louis	Lake of Two Mountains	1843
Sault Ste. Marie Canal	Ontario		1		St. Marys River	St. Marys River	1895
St. Peters Canal	Nova Scotia		1		Bras d'Or Lake	Atlantic Ocean (St. Peter's)	1869
Tay Canal	Ontario		2		Tay River	Lower Rideau Lake	1891	Currently operated as a part of the Rideau Canal
Trent-Severn Waterway	Ontario		44		Georgian Bay (Severn)	Bay of Quinte (Trenton)	1833
Welland Canal	Ontario		8		Lake Ontario (St. Catharines)	Lake Erie (Port Colborne)	1829	Later incorporated as a part of the Saint Lawrence Seaway

Abandoned

Canal	Province	Length	Number of locks	Start point	End point	Year opened	Year closed	Notes
Baillie-Grohman Canal	British Columbia			Columbia River	Kootenay River	1889	1902
Coteau-du-Lac canal	Quebec		3			1781
Desjardins Canal	Ontario			Cootes Paradise	Hamilton Harbour	1837	1895
Newmarket Canal	Ontario		3	Lake Simcoe	East Holland River (Newmarket)	Template:NA	Template:NA	The canal was cancelled during its construction.
Shubenacadie Canal	Nova Scotia		1Template:Notetag	Halifax Harbour (Dartmouth)	Cobequid Bay (Maitland)	1856	1871
Soulanges Canal	Quebec		5			1899	1958
Welland Recreational Waterway	Ontario			Welland Canal	Welland Canal		c. 1970s	The waterway formed a part of the original alignment for the Welland Canal that passed Welland, prior to the completion of the Welland By-Pass in the 1970s. Motorboats are prohibited from the Welland Recreational Waterway.

Parts of the Rouge River in Markham, Ontario were being planned by William Berczy in the 1790s as a navigation route between Lake Simcoe and Lake Ontario via Holland River but did not progress beyond clearing of 24 miles along the route.

Other types of canals

Canal	Province	Start point	End point	Notes
Canal de l'Aqueduc	Quebec		City of Montreal pumping station (Pointe-Saint-Charles)	Open-air aqueduct canal used by the city of Montreal.
Kootenay Canal	British Columbia	Kootenay River	Kootenay River	Diversionary canal for the Kootenay Canal hydroelectric plant.
Seton Canal	British Columbia	Seton Lake	Fraser River	Diversionary canal for the Seton Powerhouse.