What is "wallqaqucha"

Wallqaqucha ( Quechua wallqa collar, qucha lake, "collar lake", also spelled Huallcacocha) is a lake in the Cordillera Blanca in the Andes of Peru. It is situated at a height of comprising an area of . It is located in the Ancash Region, Carhuaz Province, Shilla District, northwest of Wallqan. Wallqaqucha lies at the feet of Chiqllarahu, northeast and north of Awkishqucha and Chiqllaqucha.