During 1949, within a year of starting to climb, he made the first repetition of the Oppio-Colnaghi-Guidi Route, a challenging climb on the South Face of the Croz dell'Altissimo long and rated UIAA V+. Soon after followed the climb of the Bramani-Castiglioni Route on the North-West face of Piz Badile, a second repetition of the Ratti-Vitali route on the West Face of the Aiguille Noire de Peuterey, a rocky mountain in the Italian part of the Mont Blanc massif and the fourth ascent of the Walker Spur on the North Face of the Grandes Jorasses in only two days and with limited equipment. This last route had been climbed for the first time in 1938 by famous climber Riccardo Cassin and consists of of rock-climbing with UIAA difficulty of IV and V and one step of VI+. The climb of the Walker Spur by the Cassin route is exposed to stone-fall and ranks together with the North Face of the Eiger as one of the major climbs achieved in the Alps between the two world wars.