| Challwa Q'asa | |
| Elevation M: | 4800 |
| Elevation Ref: | [1] |
| Range: | Andes, Wansu |
| Location: | Peru, Ayacucho Region, Parinacochas Province |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -14.7842°N -72.9778°W |
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 4800m (15,700feet) high. It is located in the Ayacucho Region, Parinacochas Province, Coronel Castañeda District.[1]