The Sacred valley is generally understood to include everything between Calca and Lamay, Písac, and Ollantaytambo.

Pisac a former Inca citadel, sits at a strategic point above the gorge at the entrance to the Sacred Valley guarding Inca trade routes from the highlands down into the Amazon basin. Clambering up to its former battlements gives you a panoramic view over the Sacred Valley that is breathtaking. The site itself is large, much larger than Machu Picchu but also much more spread out along a mountain ridge that extends for a mile or more. Ollantaytambo is a town and an Inca archaeological site in southern Peru some 60 kilometers northwest of the city of Cusco. It is located at an altitude of 2,792 meters (9,160 feet) above sea level in the district of Ollantaytambo, province of Urubamba, Cusco region. During the Inca Empire, Ollantaytambo was the royal estate of Emperor Pachacuti who conquered the region, built the town and a ceremonial center. At the time of the Spanish conquest of Peru it served as a stronghold for Manco Inca Yupanqui, leader of the Inca resistance.
Surplus food15th centuryStone TerracesStill in use todayResearchersAgricultural terracesEcological zonesSurrounded by mountainsInca wallCitadel at PisacAgricultural terracesArchwayInca RuinsPisac RuinsInca TerracesStone TerracesMicroclimatesTerraced LandscapeRuins and TerracesInca Wall