| Lago delle Piane | |
|---|---|
| Location | Province of Biella, Piedmont |
| Primary inflows | Torrente Ostola, Torrente Cigliaga, Riale della Caudana |
| Primary outflows | Torrente Ostola |
| Basin countries | Italy |
| Surface area | 0.427 km² |
| Surface elevation | 325 m |
Lago delle Piane is a lake in the Province of Biella, Piedmont, Italy. At an elevation of 325 m, its surface area is 0.427 km².