Salar de Carcote, also known as Salar de San Martín, is a salt flat in northern Chile. The salar is located southwest of Ollagüe. It covers an area of around 108km2 and its surface elevation is 3690m (12,110feet).[1] The landscape of the area is dominated by the volcanoes Ollagüe to the east and Aucanquilcha to the north. Salar de Carcote basin is bordered by the Loa River basin to the west and the Salar de Ascotán basin to the south.[1]
Salar de Carcote is a remnant of an ancient lake. Formerly, a connection existed to Lake Minchin.[2] Nowadays, small lakes dot the shores of this salt flat. They are concentrated mainly along its western shore and comprise a surface of approximately between 3km24km2.[1] The main one of those is Laguna Verde (Green Lagoon).