Nevado Ojos del Salado is an active stratovolcano in the Andes on the Argentina–Chile border and the highest active volcano in the world at . It is also the second highest mountain in both the Western Hemisphere and the Southern Hemisphere behind Aconcagua at approximately 7,000 meters (23,000 ft) and it is the highest in Chile. Nevado Ojos del Salado could be translated as "Eyes of the Salty One", which describes it as being very snowy in the winter and salty with many lakes.