evidence: The South Patagonian Ice Field is one of the most extreme and beautiful environments on the planet, and challenging yourself on a traverse across its frozen expanses is one of the biggest adventures you can take in Patagonia. From the steep ascent up the wind-scoured Marconi Pass to ice camping at Circo de Los Altares, this is an adventure like no other. [...] South Patagonian Ice Field Expedition guide trips scored 3.7/5 from 9 reviews [...] The South Patagonian Ice Field expedition is not a beginner's trek. It is an extremely challenging route that requires a level of fitness that should not be underestimated. Those signing up should have remote trekking experience and ideally some technical mountaineering/climbing experience.