East Midlands Universities Peruvian Expedition
Finding that their planned first ascents (Jurau D and Siula Grande W face) had been climbed, Ruddle and Ravenshill substituted two new routes, one on the W face of Trapecio (5,653m), the other on the S ridge of Sierra Norte (5,860m), but deep snow forced retreat at 5,500m and 5,600m respectively.