Incahuasi Central Volcanic Zone of the Andes together with about 110 other Quaternary volcanoes, and lies in the southern sector of the volcanic zone; other volcanic zones in the Andes are the Northern Volcanic Zone, the Southern Volcanic Zone and the Austral Volcanic Zone. The history of volcanic activity is poorly known for most of these volcanoes owing to the lack of dating; only a few historical eruptions have been recorded, such as an eruption at Ojos del Salado in 1993. Incahuasi is located northeast of Ojos del Salado, the highest volcano in the world. Both volcanoes are found at the
Villarrubia de los Ojos south. The weather is quite strong with very cold winters and very hot summers. There are some mountains over 1.200 metres and the flat zone is at 550 metres above sea level in the Spanish central plateau. Villarrubia de los Ojos Villarrubia de los Ojos is a municipality in Ciudad Real, Castile-La Mancha, Spain. According to the 2010 census the municipality has a population of 11,119 inhabitants. The Ojos del Guadiana are located within the Villarrubia de los Ojos municipal term. They are the source of the Guadiana river, the fourth longest river of the Iberian peninsula. There's also a