Hatun Q'asa (Quechua hatun big (jatun in Bolivia), q'asa mountain pass, Diccionario Quechua - Español - Quechua, Academía Mayor de la Lengua Quechua, Gobierno Regional Cusco, Cusco 2005 (Quechua-Spanish dictionary) "big mountain pass", Hispanicized spelling Jatunjasa) is a mountain in the Andes of Peru, about 5000 meters high.