Laguna del Diamante vehicle. The lake was described by Antoine de Saint Exupéry in his book "Wind, Sand and Stars" as quoted, "...he [Guillaumet] caught sight of a dark horizontal blot which he recognized as a lake Laguna Diamante". Laguna del Diamante Laguna del Diamante (Spanish for "lake of the diamond") is a lake located in the province of Mendoza, Argentina, in the San Carlos Department, some 198 km from Mendoza. It covers a surface area of about 14.1 km² and is one of the largest freshwater resources in the Province. Nearby is Maipo volcano. The volcano and its reflection in the lake
Laguna del Maule (volcano) form the so-called Mariposa geothermal system discovered in 2009, whose temperature has been estimated on the basis of gas chemistry to be . One estimate puts the potential productivity of Laguna del Maule as an energy source at . Subduction of the eastern part of Nazca plate beneath the western margin of the South America Plate occurs at a rate of about , a process which is responsible for events such as the 1960 Valdivia earthquake and the 2010 Chile earthquake. This subduction process is responsible for the growth of the Chilean Andes and the volcanic and geothermal manifestations therein.