| Usqullu | |
| Elevation M: | 5000 |
| Elevation Ref: | [1] |
| Range: | Andes |
| Location: | Peru, Arequipa Region, Castilla Province |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -15.4478°N -72.4889°W |
Usqullu (Quechua for Andean mountain cat, hispanicized spelling Oscollo) is a mountain in the Andes of Peru, about 5000m (16,000feet) high. It is situated in the Arequipa Region, Castilla Province, Andagua District. Usqullu lies northwest of the peak of Wakapallqa (Huagapalca) and northeast of Puma Ranra and Usqullu Lake.[1]