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Iced Bisenzio river at Mercatale bridge in Prato
The Bisenzio is a river of 49 km that starts in the municipality of Cantagallo and enters into the Arno river in Signa (Florence). It passes the town of Prato and the Santa Lucia weir and the hydroelectric dam in Madonna della Tosse.
The river is a tributary of the Arno arising from the southern side of the Tuscan-Emiliano. The source is generally located at the confluence of the Trogola and Bacuccio. The length of its path reaches 49 km. The upper basin is surrounded by many mountains and is bounded by lower peaks on the east, bordering the Sieve and the upper area of Prato Marinella. It flows in the lowland continuing to Florence, Tuscany and San Piero a Ponti nell'Arno until it flows into the Pass of Ponte a Signa, after traveling 29 km in the plains. the current route of the river seems to date back to the ninth century and is characterized by a sharp turn to the south that leads to flow near the southern edge of the mountains of Calvana. These mountains are mostly bare and stony, and develop an arc from north-south. The water transported from Bisenzio has a very important role that balances the progressive lowering of the bottom of the lake basin.
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