Machu Picchu is on a mountain ridge 30 m above sea level.
Machu Picchu ( [ ˈmatʃu ˈpitʃu ] ) ( Machu Pikchu [ ˈmɑtʃu ˈpixtʃu ] ) is a 15th-century Inca citadel situated on a mountain ridge 2430 m above sea level . It is located in the Cusco Region , Urubamba Province , Machupicchu District in Peru , above the Sacred Valley , which is 80 km northwest of Cuzco and through which the Urubamba River flows .