| Lake Caldonazzo | |
| Location: | Trentino |
| Coords: | 46.0189°N 11.2422°W |
| Inflow: | Torrente Mandola |
| Outflow: | Brenta |
| Pushpin Map: | Italy#Alps |
| Basin Countries: | Italy |
| Area: | 5.38km2 |
| Depth: | 26.5 m (87 ft) |
| Max-Depth: | 49 m (160 ft) |
| Elevation: | 449m (1,473feet) |
Lake Caldonazzo (it|Lago di Caldonazzo) is a lake in Trentino, Italy. At an elevation of 449 m, its surface area is 5.38 km2. It is located in the valley communities of Alta Valsugana e Bersntol. Lake Caldonazzo is the largest lake within the borders of Trentino and is the origin of the Brenta river.[1]
The lake averages 26.5m in depth and is one of the warmest lakes in Europe, with temperatures reaching between 18 and 24 °C in the summer.[2]
Caldonazzo is famous for water sports such as canoeing, sailing, wind surfing and water skiing.[3] It is the only lake in Trentino where water skiing is permitted, and notably is the "training ground" for world champion skier Thomas Degasperi.[4] [5]
In 2024, Lake Caldonazzo received four blue flags its Lido, Tenna, San Cristoforo and Calceranica beaches for their exceptionally clean water.[6]
Many events take place on the lake, especially during the summer.