Sacsay huaman, Sasaywaman or Saksaq Waman is a citadel on the northern outskirts of the city of Cusco, Peru, the historic capital of the Inca Empire. Segments were first worked by the Killke culture around 1100; they had possessed the region since 900. The complex was extended and added to by the Inca from the thirteenth century; they assembled dry stone dividers built of enormous stones. The laborers deliberately slice the stones to fit them together firmly without mortar. The site is at a height of 3,701 m 12,142 ft.
In 1983, Cusco and Sacsayhuaman together were added to the UNESCO World Heritage List for acknowledgment and security. Situated on a precarious slope that sits above the city, the strengthened complex has a wide perspective of the valley toward the southeast. Archeological investigations of surface accumulations of stoneware at Sacsayhuaman demonstrate that the soonest control of the ridge dates to around 900 CE. As per Inca oral history, Tupac Inca "recalled that his dad Pachacuti had considered city of Cuzco the lion city. He said that the tail was the place the two waterways join which move through it, that the body was the considerable square and the houses round it, and that the head was needing.