20.93 S, 68.48 W
summit elevation 5407 m
Olca-Paruma Volcano is located in northern Chile on the border with Bolivia. There are three stratovolcanoes in the complex - Volcán Olca, Cerro Michincha, and Volcán Paruma. A lava flow extends 7 km SE of Volcán Paruma.
In 1990 fumarolic activity was reported 15 km SW of Olca.