Qiwllaqucha (Quechua qillwa, qiwlla, qiwiña gull, qucha lake, "gull lake", hispanicized spelling Quiullacocha) is a small lake in Peru located in the ApurÃÂmac Region, Cotabambas Province, Cotabambas District, south-east of Cotabambas. It is situated at a height of about .