Huayna Picchu to the Gran Caverna and what is known as the Temple of the Moon. These natural caves, on the northern face of the mountain, are lower than the starting point of the trail. The return path from the caves completes a loop around the mountain where it rejoins the main trail. Huayna Picchu Huayna Picchu, , is a mountain in Peru around which the Urubamba River bends. It is located in the Cusco Region, Urubamba Province, Machupicchu District. It rises over Machu Picchu, the so-called lost city of the Incas. The Incas built a trail up the side of the
Machu Picchu then crossed a pass and into the Pampaconas Valley where he found more ruins heavily buried in the jungle undergrowth at Espíritu Pampa, which he named "Trombone Pampa". As was the case with Machu Picchu, the site was so heavily overgrown that Bingham could only note a few of the buildings. In 1964, Gene Savoy further explored the ruins at Espiritu Pampa and revealed the full extent of the site, identifying it as Vilcabamba Viejo where the Incas fled after the Spanish drove them from Vitcos. Bingham returned to Machu Picchu in 1912 under the sponsorship of Yale University and