Lake Agnococha (possibly from Quechua aknu beautiful, qucha lake) is a lake in Peru located in the Huancavelica Region, Castrovirreyna Province, Santa Ana District. It is situated at a height of approximately 4,714 m (15,466 ft), about 3.54 km long and 1.80 km at its widest point. Agnococha lies north of a larger lake named Orcococha. The Agnococha dam was erected in 1957. It is 147 m (161 yd) long and 19 m (62 ft) high. The reservoir has a volume of 74,000 m3 (60 acre⋅ft) and a capacity of 30,500,000 m3 (24,700 acre⋅ft).