(2) The Andes Mountain Range is in South America. It extends upto 7200 km. The Andes Mountain System covers seven countries – Venezuela, Colombia,Ecuador, Bolivia, Peru,Chile and Argentina. The Andes Range is the widest in Bolivia(640 km) and comprises two chains (Cordillera Occidental and Oriental), the Altiplano(high plateau) lies between these two chains.Aconcagua (7,021 m), an extinct volcano which is the highest peak of Western Hemisphere lies in Argentina.