Huancavelica (waŋkaβeˈlika) or Wankawillka in Quechua is a city in Peru. It is the capital of the department of Huancavelica and according to the 2017 census had a population of 49,570 people. The city was established on August 5, 1572 by the Viceroy of Peru Francisco de Toledo. Indigenous peoples represent a major percentage of the population. It has an approximate altitude of 3,676 meters; the climate is cold and dry between the months of February and August with a rainy season between September and January. It is considered one of the poorest cities in Peru. The Huancavelica area features a rough geography with highly varied elevation, from 1,950 metres in the valleys to more than 5,000 metres on its snow-covered summits. These mountains contain metallic deposits. They consist of the western chain of the Andes, which includes the Chunta mountain range, formed by a series of hills, the most prominent of which are: Sitaq (5,328m), Wamanrasu (5,298m) and Altar (5,268m). Among the rivers of the region there are the Mantaro, the Pampas, the Huarpa and the Churcampa. The Mantaro River penetrates Huancavelica, forming Tayacaja's Peninsula. Another river that shapes the relief is the Pampas River which is born in the lakes of the high mountains of Huancavelica, Chuqlluqucha and Urququcha. The principal ore mineral is cinnabar, which occurs within the Cretaceous Gran Farallón sandstones, and fractures found in the Jurassic Pucara and Cretaceous Machay limestones and igneous rocks. Other sulfide minerals occurring with these deposits include pyrite, arsenopyrite and realgar. Caving became top to bottom in 1806 in order to avoid several disasters in previous years. The most infamous one being the Marroquin caving in 1786, which took the lives of over two hundred Indians. Most of the quicksilver was produced from 1571 until 1790, amounting to more than 1,400,000 flasks. At the time of Spanish conquest, Huancavelica was known as the Wankawillka region or "sacred stone". The city itself was established on August 5, 1572.