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
Masherbrum Mountains Masherbrum Mountains The Masherbrum Mountains () are a subrange of the Karakoram mountain range, in Ghanche District, Baltistan region of the Gilgit-Baltistan province in northern Pakistan. The Masherbrum Mountains are located on the south side of the Baltoro Glacier. The southern side of the range, in the Indus River basin, is drained by the Hushe River. While not as famous as the Baltoro Muztagh mountains, which lies across the Baltoro Glacier, the Masherbrum Mountains contain some of the highest peaks in the world (highest ). They attract climbers from around the planet. The following is a table of the peaks