Geomorphologically, Coropuna lies at the edge of the Altiplano high plateau on the Western Cordillera mountain range; in the Central Andes this mountain chain is split into two ranges - the western and the eastern Cordillera - separated by the Altiplano. The Pucuncho Basin and Firura volcano lie north of Coropuna, while Solimana volcano is northwest from Coropuna. Sara Sara is another volcano in the area. A large lava dome lies northwest of Coropuna while Cerro Pumaranra, a eroded volcano, is to the northeast. west-southwest from Coropuna lies the high Antapuna, while the Andahua Valley of the Volcanoes is east-northeast of Coropuna.