Machu Picchu is a 15th-century Inca citadel, located in the Eastern Cordillera of southern Peru, on a 2,430-metre (7,970 ft) mountain ridge.It is located in the Machupicchu District within Urubamba Province above the Sacred Valley, which is 80 kilometres (50 mi) northwest of Cuzco. The Urubamba River flows past it, cutting through the Cordillera and creating a canyon with a tropical mountain climate.
Machu Picchu was built in the classical Inca style, with polished dry-stone walls. Its three primary structures are the Intihuatana, the Temple of the Sun, and the Room of the Three Windows. Most of the outlying buildings have been reconstructed in order to give tourists a better idea of how they originally appeared. By 1976, 30% of Machu Picchu had been restored and restoration continues.