Antaqucha (Quechua anta copper, qucha lake, "copper lake", Hispanicized spelling Antacocha) is a lake in Peru located in the Lima Region, HuarochirÃÂ Province, Huachupampa District. It is situated at a height of approximately .
What makes Antaqucha so special is its dam of pre-Inca times. The dam is long, high and wide.