Important and imposing mountain, it is the highest summit along the border ridge that goes from the sea to Colle della Seigne. Highest mountain of the central Graji alps. Hardly another alpine summit of this height is can be climbed without glacier contact and is so thus lighter pastable. Start from the south over the Col d'Iseran, from the north starting from Col you Petite St. - Berne pool of broadcasting corporations over Bourg St. - Maurice and Tignes on the N 202 up to artificial lake north of Val d'Is.