Inca Trail to Machu Picchu terminus at the Sun Gate on Machu Picchu mountain. The two longer routes require an ascent to beyond above sea level, which can result in altitude sickness. Concern about overuse leading to erosion has led the Peruvian government to place a limit on the number of people who may hike this trail per season, and to sharply limit the companies that can provide guides. As a result, advance booking is mandatory. A maximum of 500 people are allowed on the trail each day, of which only 200 are trekkers, the rest being guides and porters. As a result, the high
Huayna Picchu priest with a small group would walk to Machu Picchu to signal the coming of the new day. The Temple of the Moon, one of the three major temples in the Machu Picchu area, is nestled on the side of the mountain and is situated at an elevation lower than Machu Picchu. Adjacent to the Temple of the Moon is the Great Cavern, another sacred temple with fine masonry. The other major local temples in Machu Picchu are the Temple of the Condor, Temple of Three Windows, Principal Temple, "Unfinished Temple", and the Temple of the Sun, also called the