| Lago della Sella | |
|---|---|
 Sella dam | |
  Lago della Sella  Lago della Sella  Lago della Sella  Lago della Sella | |
| Location | Ticino |
| Coordinates | 46°33′49″N 8°35′55″E / 46.5635°N 8.5987°E |
| Type | natural lake, reservoir |
| Basin countries | Switzerland |
| Surface area | 45 ha (110 acres) |
| Max. depth | 30 m (98 ft) |
| Surface elevation | 2,256 m (7,402 ft) |
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Lago della Sella is a reservoir near St. Gotthard Pass in the canton of Ticino, Switzerland. The gravity dam with a height of 36 m was completed in 1947.
The dam was planned and built under control of the Swiss engineer Fritz Gigax.