Qillqa (Quechua for qillqa graphic sign, writing (the act and art of writing), Diccionario Quechua - Español - Quechua, Academía Mayor de la Lengua Quechua, Gobierno Regional Cusco, Cusco 2005 (Quechua-Spanish dictionary) (5-vowel system) Ref Laime Hispanicized spelling Quilca) is a mountain in the Wansu mountain range in the Andes of Peru, about 5000 meters high.