Quispiguanca
Quispiguanca, also Q'espihuanca and Q'espiwanka, was a royal estate of the Inca emperor Huayna Capac (c. 1464-1525 CE). The ruins of the estate are located in the northern part of the present-day town of Urubamba, Peru at an elevation of 2,910 metres (9,550 ft). Coordinates: 13°10′50″S 72°03′52″W / 13.1805°S 72.0645°W
Inca emperors customarily acquired large royal estates to increase their power and wealth and that of their descendants who inherited the estates. Royal estates served as elegant country palaces and, at times, fortresses to fend off rivals for power. The ruins of other royal estates, notably Huchuy Qosqo and Machu Picchu are scattered up and down the Urubamba or Yucay Valley, commonly called the Sacred Valley.
The Sacred Valley was a popular area for royal estates. It was within about 30 kilometres (19 mi) of the Inca capital of Cuzco, but at lower elevations and with a warmer climate. Maize, the prestige crop of the Incas, could be grown in the Sacred Valley, whereas the climate nearer Cuzco was mostly too cold for maize cultivation. The Sacred Valley was also the closest route to reach the coca growing area in the lower Urubamba River valley. Water was abundant in the Sacred Valley due to precipitation in the snow-covered Andes which rose to elevations of more than 5,000 metres (16,000 ft) on the northern side of the narrow valley.
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