From rock climbing he expanded into mountaineering with trips to the Alps where ascents included the Bonatti Pillar of the Dru and the first ascent with Chris Bonington, Jan Długosz and Ian Clough of the Central Pillar of Freney on Mont Blanc. In 1962 with Bonington he made the first ascent of the Central Torres del Paine, Patagonia and with Dougal Haston, he made the first ascent of the south face of Annapurna in Bonington's 1970 expedition.