Caving at Altitude in Peru

By ANDY McKENZIE NCC (UK) Photography by GUILLAUME PELLETIER QUEBEC Expedition background In early 2000, Les Oldham, a British geologist and caver living and working in Peru, noted a series of large open shafts in the Yauyos district of southern Peru that were taking the waters flowing out of Lago Pumacocha at the grand old … Continue reading Caving at Altitude in Peru