Hatun Q'asa (Arequipa)

Hatun Q'asa (Quechua hatun big (jatun in Bolivia), q'asa mountain pass, "big mountain pass", hispanicized spelling Jatun Casa) is a mountain in the Wansu mountain range in the Andes of Peru, about 4800 m high. It is situated in the Arequipa Region, Condesuyos Province, Cayarani District. Hatun Q'asa lies at the Q'illumayu valley (Quechua for "yellow river", also spelled Quellomayo).