| Andes, Wansu|
| 5,000 m|
| Peru, Arequipa Region, La Unión Province|Challwa Q'asa Wikipedia
Challwa Q'asa (Quechua challwa fish, q'asa mountain pass, "fish pass", also spelled Chayhuajasa) is a mountain in the Wansu mountain range in the Andes of Peru, about 5,000 metres (16,404 ft) high. It is located in the Arequipa Region, La Unión Province, Puyca District. It lies northwest of Chhijmuni and Wayta Urqu.