Ontario's rivers, Canada There are approximately 250,000 lakes in Ontario. Ontario's lakes and rivers play a vital role in sustaining Ontario's economy and the quality of life of Canadians. © Fotosearch / Age Fotostock
Enthusiasts of thrilling sensations will not miss the Makawaska and Outaouais rivers for their quick waters, the most rapid in the province. To continue the thrills near Lake Superior, the Ouimet Canyon, 350 feet high and 490 feet wide, remains a classic of its type, with its steep walls and belvederes of fitted wood, on the edge of the abyss.