Laguna del 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 forms diamond-shape image, which gives the lake its name. It is known for its stunning beauty. However, few get the chance to see it because it is passable only in February and only via an off-road
Laguna del Maule (volcano) over large distances. Obsidian has been found in the Arroyo El Pehuenche (), Laguna Negra () and Laguna del Maule () localities. These sites yield obsidians with varying properties, from large blocks at Laguna del Maule to smaller pebbles probably carried by water at Arroyo El Pehuenche. Laguna del Maule lies at the interface between a semi-arid, temperate climate and a colder montane climate. Average yearly temperatures from 2007 to 2013 ranged . Cold front related precipitation falls during autumn and winter, although occasional summer storms also contribute to rainfall. Laguna del Maule is subject to the rain shadow effect