Trek the Salkantay route to Machu Picchu, camp under Andean skies, and ride the train to Aguas Calientes on a small-group adventure starting and ending in Cusco. Stay two nights in hotels in Cusco and Aguas Calientes, and two nights camping along the Salkantay route. Camp at Salkantaypampa and near Collpabamba, amid mountain and cloud forest landscapes, with meals provided on trekking days as outlined in the itinerary.