Huascarán (Spanish pronunciation: [waskaˈɾan]) or Nevado Huascarán is a mountain in the Peruvian province of Yungay, situated in the Cordillera Blanca range of the western Andes. The highest southern summit of Huascarán (Huascarán Sur) is the highest point in Peru, and in all of the Earth's Tropics. Huascarán is the fourth highest mountain in the Western Hemisphere after Aconcagua, Ojos del Salado, and Monte Pissis. The mountain was named after Huáscar, a 16th-century Inca chieftain who was the Sapa Inca of the Inca empire.