 In 1993 he was appointed a Member of the Order of Australia (AM) for service to mountaineering and to international relations.In 1995 Macartney-Snape, Stephen Venables, John Roskelley, Jim Wickwire and Charlie Porter attempted a new route on Mt Sarmiento, on the western shores of Tierra del Fuego, where Macartney-Snape, Roskelley and Venables summited via new route up the southwest face of the western summit.In 2010 Macartney-Snape successfully summited a 6,500m unclimbed peak in remote Eastern Nepal with a team that included four members of the ANUMC Himalayan Expedition of 1978 to Dunagiri.