Trekking in Torres del Paine: Patagonia's premier national parks in Chile and Argentina, including Cerro Torre and Fitz Roy areasGuidebook to trekking in the heart of Patagonia, with routes in Torres del Paine National Park (Chile) and Los Glaciares National Park (Argentina). While the region is primarily a remote and mountainous glaciated wilderness, walking is easily accessible with clear trails, good public transport and regular mountain huts and campsites. The centrepiece of this dramatic area is the 10 11 day Torres del Paine Circuit (also known as the O Circuit), while