The Incas could have followed the valley but they chose the high route to Machu Picchu, with its gorges and passes and climactic mountain views. True Andean highlanders, the Incas knew and loved the countless natural zones.... more information. Includes detailed travel information, itineraries and photos from our recognized Inca Trail tours : Inca Trail Discovery, Inca Trail Classic, Short Inca Trail and Inca Trail Deluxe.