Challwaqucha (Quechua 'fish', 'lake', "fish lake", hispanicized spelling Chalhuacocha) is a lake in Peru located in the Lima Region, Huaral Province, in the northeast of the Pacaraos District. It lies west of the lake named Warunqucha of the Pasco Region.
References escale.minedu.gob.pe - UGEL map of the Huaral Province (Lima Region)