| Ivonne Chillihua | |
| Other Name: | Ponyhua |
| Elevation M: | 4800 |
| Elevation Ref: | [1] |
| Range: | Andes |
| Location: | Peru, Tacna Region, Tarata Province |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -17.2258°N -70.0764°W |
Ivonne Chillihua (possibly from Aymara for a species of grass (Festuca dolichophylla)) is a mountain in the Andes of southern Peru, about 4800m (15,700feet) high. It is located in the Tacna Region, Tarata Province, Susapaya District. Chillihua lies southwest of the lakes Vilacota and Lake Neque ("mud lake").[1]