Nevado Tres Cruces is a massif of volcanic origin in the Andes Mountains. It has two main summits, Tres Cruces Sur at 6,749 m and Tres Cruces Central at 6,629 m and a third more minor summit, Tres Cruces Norte 6030m. The former marks the border between Argentina and Chile.Tres Cruces Sur is one of the highest at Andes and gets more snow.