| Cerro Tres Picos | |
| Map: | Argentina |
| Map Size: | 175 |
| Location: | Argentina |
| Coordinates: | -38.1581°N -61.9517°W |
| Elevation M: | 1239 |
| Elevation Ref: | [1] |
| Isolation Km: | 637.54 |
| Translation: | Three Peaks Hill |
| Language: | Spanish |
| Range: | Sierra de la Ventana |
Cerro Tres Picos is the highest point of the Sierra de la Ventana mountain range in the province of Buenos Aires, Argentina. As such, it is also the highest point in Buenos Aires province, as well as in the pampas region.
The mountain is 650 km southwest of the city of Buenos Aires; the closest settlement is Villa Ventana in the Tornquist Partido.
It is located on private property owned by the Fundación Funke (Funke Foundation), a charitable organization that maintains the land donated by German immigrant Rodolfo Funke after his death in 1938.
The mountain has a dry climate. Summers are warm, with temperatures above 30 °C during the day. Winters have an average high of 8 °C and are somewhat rainier, with nights frequently below freezing. Snowfalls can occur sometimes.