Seen from above, Coropuna has a pear-shaped outline and is a east-west ridge that features four summits that are separated by broad saddles. In addition, there is another summit north of the east-west trend. A high subsidiary peak named Cerro Cuncaicha lies east of Coropuna, it is a stratovolcano. Coropuna covers a surface area of and its various main summits rise about above the surrounding plateau.