One of the most incredible ways to visit Machu Picchu is through the Salkantay trek. These 7 days and 6 nights trekking route crosses the imposing Salkantay snow-capped mountain and then arrives at the Wonder of the World.The Salkantay trek was named after the Salkantay mountain, also known as Salcantay or Sallqantay, in Quechua.