Andes
The Andes or Andean Mountains () are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. This range is about long, about wide (widest between 18° south and 20° south latitude), and of an average height of about . The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile and Argentina.
Chilean Coast Range
The range can be divided in several minor ranges. Some of these ranges and their boundaries are:The range has no single structural or lithological origin but is the result of the alignment of horst, forearc highs and upthrusted blocks along Chile's coast. The range was separated from the Andes during the Tertiary rise of the Andes due to the subsidence of the Intermediate Depression.