| Schwarzberg | |
| Other Name: | Piz Nair |
| Elevation M: | 2764 |
| Prominence M: | 343 |
| Prominence Ref: | [1] |
| Parent Peak: | Piz Gannaretsch |
| Listing: | Alpine mountains 2500-2999 m |
| Location: | Uri/Graubünden, Switzerland |
| Map: | Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.6094°N 8.6778°W |
The Schwarzberg (also known as Piz Nair) (2,764 m) is a mountain of the Lepontine Alps, located on the border between the Swiss cantons of Uri and Graubünden. It lies between the valleys of Unteralp (west) and Maighels (east).