Yanaqucha (Quechua yana black, qucha lake, "black lake", also spelled Yanacocha) is a lake in the Andes of Peru. It is situated at a height of comprising an area of . Yanaqucha is located in Aquia District, Bolognesi Province, Ancash Region. The lake receives water from the Yanaqucha brook which originates southwest of the peak of Rahu Kutaq.