<P> The Altiplano ( Spanish for `` high plain '' ) , Collao ( Quechua and Aymara : Qullaw , meaning `` place of the Qulla '' ) , Andean Plateau or Bolivian Plateau , in west - central South America , is the area where the Andes are the widest . It is the most extensive area of high plateau on Earth outside Tibet . The bulk of the Altiplano lies in Bolivia , but its northern parts lie in Peru , and its southern parts lie in Chile and Argentina . </P>
what pair of countries is located on the altiplano of south america
Bolivia Peru Chile Argentina