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
Snowy Mountains Snowy Mountains The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion and the highest mountain range on the continent of mainland Australia. It contains the Australian mainland's highest mountain, Mount Kosciuszko, which reaches to a height of above sea level. The range also contains the five highest peaks on the Australian mainland (including Mount Kosciuszko), all of which are above . They are located in southern New South Wales and are part of the larger Australian Alps and Great Dividing Range. Unusual for Australia, the mountain range experiences large natural snowfalls every winter. Snow normally falls during