Inca Trail to Machu Picchu 3,300 metres on the first day. The second day ascends over Dead Woman's pass- the highest point on the Inca Trail at 4,200 metres. This is the most dangerous point in terms of altitude sickness, however, you do not spend long at this elevation and by the afternoon you'll be back at 3,600 metres. The trail only descends from this point until you reach Machu Picchu at 2,430 metres. Inca Trail to Machu Picchu The Inca Trail to Machu Picchu (also known as "Camino Inca" or "Camino Inka") is a hiking trail in Peru that terminates at Machu Picchu. It
Machu Picchu prevent it from running down the mountain. Similar layering protected the large city center from flooding. Multiple canals and reserves provide water throughout the city that could be supplied to the terraces for irrigation and to prevent erosion and flooding. The Incas never used wheels in a practical way, although their use in toys shows that they knew the principle. The use of wheels in engineering may have been limited due to the lack of strong draft animals, steep terrain and dense vegetation. The approach to moving and placing the enormous stones remains uncertain, probably involving hundreds of men to