Hike the iconic 4-day pilgrimage or take a scenic train from the Sacred Valley to reach the 15th-century Inca citadel.
According to Lonely Planet , these are the must-do activities for any traveler: Lonely Planet Peru
Spend at least 1–2 days adjusting to high altitudes in places like Cusco (3399m) before attempting strenuous treks like Rainbow Mountain . Hike the iconic 4-day pilgrimage or take a