Cottian Alps


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Cottian Alps

 

(French, Alpes Cottiennes; Italian, Cozie, or Cozzie), part of the western Alps ?.n France and Italy, between the passes of Larche in the south and Mount Cenis in the north. Length, 100 km; altitude, up to 3,841 m (Mount Viso).

The Cottian Alps are composed primarily of crystalline shale, gneiss, and sandstone. A sharply dissected crest turns into steep (especially in the east) slopes with the deeply cut river valleys of the Po basin on the east and the Durance basin on the west. There are broad-leaved and coniferous forests on the slopes, giving way to shrubs and meadows at heights of 1,600–1,800 m. The Cottian Alps are intersected in the north by the Turin-Grenoble railroad.