Stratovolcano · 6,879 m · Last eruption: 750
Nevado Ojos del Salado is a dormant complex volcano in the Andes on the Argentina–Chile border. It is the highest volcano on Earth and the highest peak in Chile. The upper reaches of Ojos del Salado consist of several overlapping lava domes, lava flows and volcanic craters, with sparse ice cover. The complex extends over an area of 70–160 square kilometres (27–62 mi2) and its highest summit reaches an altitude of 6,893 metres (22,615 ft) above sea level. Numerous other volcanoes rise around Ojos del Salado.
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Stratovolcano · 6,739 m · Last eruption: 1877
Llullaillaco is a dormant stratovolcano on the border between Argentina and Chile. It is part of the Llullaillaco National Park and 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. Its maximum elevation is most commonly given as 6,723 metres (22,057 ft), making it the second-highest active volcano in the world. Despite its height, it is not clear whether the volcano has any glaciers or merely patches of perennial snow and ice. Between 3,700 m and 5,000 m elevation there is a sparse plant cover, while at lower altitudes the climate is too dry for plants to grow. A species of mouse on Llullaillaco is the vertebrate species living at the highest-known altitude.
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Stratovolcano · 6,638 m · Last eruption: Not available
Incahuasi is a volcanic mountain in the Andes of South America. It lies on the border of the Catamarca Province of Argentina and the Atacama Region of Chile. Incahuasi has a summit elevation of 6,621 metres (21,722 ft) above sea level.
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Stratovolcano · 6,336 m · Last eruption: 290
Parinacota, Parina Quta or Parinaquta is a dormant stratovolcano on the border of Bolivia and Chile. Together with Pomerape it forms the Nevados de Payachata volcanic chain. Part of the Central Volcanic Zone of the Andes, its summit reaches an elevation of 6,380 metres (20,930 ft) above sea level. The symmetrical cone is capped by a summit crater with widths of 1 kilometre (0.62 mi) or 1,000 metres (3,300 ft). Farther down on the southern slopes lie three parasitic centres known as the Ajata cones. These cones have generated lava flows. The volcano overlies a platform formed by lava domes and andesitic lava flows.
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Stratovolcano · 6,233 m · Last eruption: Not available
Pular is a volcanic massif in the northern Chilean Andes, in the Antofagasta Region north of Socompa volcano. It consists of the individual mountains Pajonales and Pular, which are among the highest mountains in the region and of great cultural importance to the neighbouring towns of Socaire and Peine. Pular and Pajonales have multiple volcanic craters and have produced lava domes. The mountains were active during the last three million years; whether there was any activity in historical times is unclear. The mountains are largely unglaciated in the present, owing to the dry climate, although groundwater originates on them. During the Last Glacial Maximum, glacial advances left a girdle of moraines around the massif.
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Stratovolcano · 6,205 m · Last eruption: Not available
Cerro Solo is a large stratovolcano on the border between Argentina and Chile, west of Ojos del Salado with an elevation of 6,215 metres (20,390 ft) metres. It consists of nine eruptive centers and is covered in light-colored rhyodacite pyroclastic flow deposits.
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