| Plattenberg | |
| Elevation M: | 3041 |
| Prominence M: | 59 |
| Prominence Ref: | [1] |
| Parent Peak: | Vernokhörner |
| Map: | Switzerland |
| Location: | Ticino/Graubünden, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.5583°N 9.0234°W |
The Plattenberg is a mountain of the Lepontine Alps, located on the border between the Swiss cantons of Ticino and Graubünden. It lies approximately halfway between the lakes of Luzzone and Zervreila.