Machu Picchu is a 15thcentury Inca citadel loed in the Eastern Cordillera of southern Peru on a 2,430meter (7,970 ft) mountain ridge. It is loed in the Machupicchu District within Urubamba Province above the Sacred Valley, which is 80 kilometers (50 mi) northwest of Urubamba River flows past it, cutting through the Cordillera and creating a canyon with a tropical mountain ...