Chacamarca Historic Sanctuary, is a historical site in Junín Province, Junín, Peru. The sanctuary protects the site of the Battle of Junín and archaeological remains of the Pumpush culture.HistoryPrior to the arrival of the conquistadors, the area was occupied by the Pumpush and the Yarovilca cultures and after them, the Incas. The Incas occupied the area gradually and integrated it to the rest of the empire through the Capac Ñan (Inca road system). As a result, an Inca settlement flourished at Chacamarca.The Battle of Junín, which was fought on 6 August 1824, is regarded as one of the definite episodes in the Peruvian War of Independence, which helped to bring to an end the Spanish rule in Peru and the Americas.The historical sanctuary was established on 7 August 1974, to preserve the historic site of the Battle of Junín, by a decree during the dictatorship of General Juan Velasco Alvarado.GeographyThis historic landmark is located at 4105 m of elevation in a high andean plain known as Pampa de Junín. The historic sanctuary spans an area of 2500hectare.ClimateThe area has an annual average temperature of 4.8°C. The rainy season spans from October to April; with an annual average precipitacion of 800 mm.