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
Salcantay word meaning wild, uncivilized, savage, or invincible, and was recorded as early as 1583. The name is thus often translated as "Savage Mountain". Directly to the north of Salkantay lies Machu Picchu, which is at the end of a ridge that extends down from this mountain. Viewed from Machu Picchu's main sundial, the Southern Cross is above Salkantay's summit when at its highest point in the sky during the rainy season. The Incas associated this alignment with concepts of rain and fertility, and considered Salkantay to be one of the principal deities controlling weather and fertility in the region west