The impressive South Face of Denali with the immense Cassin ridge in the centre. First ascended from 6 - 19 July 1961 by the Italian Ragni di Lecco members Luigino Airoldi, Gigi Alippi, Jack Canali, Riccardo Cassin, Romano Perego and Annibale Zucchi, the elegant and challenging line is one of the most famous and sought-after alpine routes in the world.