Ojos el Salado is a massive stratovolcano in the Andes on the Argentina-Chile border and the highest volcano in the world at 6,891 metres (22,608 ft). It is also the second highest mountain in the Western Hemisphere and the highest in Chile. It is located about 600 kilometres (370 mi) north of Aconcagua, the highest mountain in the Western Hemisphere at 6,962 m (22,841 ft).