Phutuq K'usi (Putucusi) mountain by Urubamba River seen from the trail to Machu Picchu, Sacred Valley, Peru, South America

urubamba river machu picchu sacred valley peru mountain landscape hiking adventure nature cloud trail trekking serene mist greenery scenic south america altitude valley exploration wilderness tourism travel outdoor picturesque panoramic sunrise sunset geology elevations biodiversity altitude sickness ancient culture landmark tourist attraction heritage indigenous ecosystem rock formation scenic view mountainscape journey way trek environment flora fauna wildlife vista