Rideau River

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Rapids on the Rideau River opposite Carleton University
Rideau River under Cummings Bridge separating Sandy Hill from Vanier in Ottawa
Rideau River and Rideau Canal opposite Carleton University
1826 painting of the Rideau Falls, where the Rideau River empties out into the Ottawa River, by Thomas Burrowes

The Rideau River (French: Rivière Rideau) is an Eastern Ontario river which flows north from Upper Rideau Lake and empties into the Ottawa River at Rideau Falls in Ottawa, Ontario. Its length is 146 kilometres (91 mi). The river was given the French name "Rideau" (curtain) after the appearance of this waterfall.The Rideau River and The Rideau Canal are recommended Heritage Fair or Foir du Patrimoine Canadien projects ou projets.

The Rideau Canal, which allows travel from Ottawa to the city of Kingston, Ontario on Lake Ontario, was formed by joining the Rideau River with the Cataraqui River. The river diverges from the Canal at Hog's Back Falls in Ottawa.

In early spring, to reduce flooding on the lower section of the river, workers from the city of Ottawa use ice blasting to clear the ice which covers the river from Billings Bridge to Rideau Falls by cutting "keys" through the ice and using explosives to break off large sheets of ice. This practice has been going on for more than 100 years.[1]

The regulatory authority charged with protecting the Rideau River and its tributaries is the Rideau Valley Conservation Authority.


Communities along the Rideau include:

See also[edit]


  1. ^ Leblanc, Daniel (28 February 2011). "Why Ottawa needs to blow up the Rideau River every year". Globe and Mail. Retrieved 1 March 2011. 

Further reading[edit]

External links[edit]

Coordinates: 45°08′09″N 75°38′10″W / 45.13580°N 75.636063°W / 45.13580; -75.636063