Geology of Chile the Taitao Peninsula, the Peru–Chile Trench subduction zone is the boundary between the South American and Nazca Plates. At Taitao, the Chile Triple Junction and the Nazca Plate subduct the South American Plate. In Norte Grande the mountains form a series of plateaus, such as Puna de Atacama and the Altiplano. At a south latitude of 27 degrees, Chile's highest mountain (Ojos del Salado) reaches a height of . Below 42 degrees south, the Andes split into a fjord landscape and the highest mountain is Monte San Lorenzo at . As the mountains ebb, the snow line lowers; in the
Hagen Mountains Hagen Mountains The Hagen Mountains () are a subrange of the Berchtesgaden Alps. They lie mainly in the Austrian state of Salzburg, the western quarter is in the Bavarian county of Berchtesgadener Land. The steep western flanks of the Hagen lie in Bavaria and drop in height to the basin of the Berchtesgadener Königssee. The mountain range has an area of about 12 kilometres by 10 kilometres. Its highest peaks are located at its perimeter, its interior peaks being slightly lower. The two highest summits are the Großes Teufelshorn () south of the Röth and Kahlersberg (). The Hagen mountains