Lake Molveno is a lake in Trentino-Alto Adige, located in the Municipality of Molveno. Owes much of its charm to the natural setting that surrounds it: in the west rises the central chain of the Brenta (Campanile low, Croz High, Sfulmini, Cima Tosa), southeast of the massive Monte Gazza and Paganella .
The "precious pearl in a precious treasure", as the poet Fogazzaro called it, is a natural Alpine lake that formed about 4,000 years ago as a result of a massive landslide. By 50 years the waters of the lake feed the hydroelectric plant in Santa Massenza. Work on the construction of water mains convoy of water from rivers and reservoirs in the Sarca Val di Genova in the lake, as well as related works hydraulic flow rate to the central installed on the bottom of the basin have upset the natural balance of the lake that depending the needs of the electrical system in the valley can be emptied or reenergized. As a result of these actions the lake is no longer defined as a natural basin but artificial. The temperature of the water conveyed in order to power the control unit caused a shift of the climate of the area that tends to be colder than its natural habitat. Nowadays there are limitations of invaded and emptying of the water that can not exceed 2 meters in altitude. It is the second largest lake in the Trentino-Alto Adige, after Lake Caldonazzo, including those entirely within the borders of the region  and has a maximum depth of 123 meters. The northern slope, where you will find the village of Molveno, stretches towards the lake with flat meadows and beaches, the "Lido di Molveno", which during the summer is popular with tourists. A northern branch of Lake Molveno, inserted between the Slopes of Paganella and Brenta Group, is called "lake Bior". In it they pour the waters of the Rio Lambin. Around the lake there are several Napoleonic forts and at the "Napoleon Bridge" a waterfall that pours directly into the waters of the lake.
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