The landlocked province of Saskatchewan is covered by the the grasslands of the Great Plains and the forested Canadian Shield in the far-north.
The Great Plains slope east from the Canadian Rockies and extend to the edge of the Canadian Shield. The land is generally flat with large treeless areas and shallow river valleys.
The Canadian Shield itself is an ancient bedrock base of gneiss and granite covered by a shallow layer of soil. Large areas of coniferous forests and dozens of rivers and lakes spread across this mostly flat region.
The Lake Athabasca Sand Dunes, the largest active sand dunes in the world above 58° north front the southern shore of Lake Athabasca. In addition, the Great Sand Hills in the Chinook region of Saskatchewan are constantly moving, and they cover an area of nearly 300 square km (120 sq mi).
The Cypress Hills, located in the far-southwest (on the Alberta border) constitute the highest point between the Rocky Mountains and Canada's Maritime provinces, as well as Saskatchewan's highest point. The maximum elevation here is 1,468 m (4,816 ft)
Principal rivers of the province include the Beaver, Churchill and the South and North Saskatchewan.
Lake Athabasca, stretching across Alberta and Saskatchewan is the eighth largest in all of Canada. Other lakes of note include Cree, Reindeer and Wallaston.
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