| Sosto | |
| Elevation M: | 2221 |
| Prominence M: | 524 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Ticino, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.5484°N 8.952°W |
The Sosto (2,220.6 m) is a mountain of the Swiss Lepontine Alps, overlooking Olivone in the canton of Ticino. It lies south of the lake of Luzzone and west of the Torrone di Nav.