Overview
Llullaillaco is a dormant stratovolcano at the border of Argentina and Chile. It lies in the Puna de Atacama, a region of tall volcanic peaks on a high plateau close to the Atacama Desert, one of the driest places in the world.
Description
It is the second highest active volcano in the world after Ojos del Salado. Llullaillaco is the world's highest historically active volcano. It is on the border between Chile and Argentina and belongs to the Puna de Atacama, a region of very high volcanic peaks on a high plateau within the Atacama Desert, one of the driest places in the world.
The volcano consists of a young cone on top of an older Pleistocene edifice. The modern cone contains several lava domes and flows. The two most prominent lava flows are on the northern and southern flanks and have distinct flow features with levees and ridges.
It known that the Inca climbed the mountain and some of the best-preserved mummies have been found near its summit.