The Bisenzio is a 49-kilometer-long river in the municipality of Cantagallo. It flows into the Arno river in Signa (Florence). It flows through the city of Prato and the Santa Lucia weir and the hydroelectric dam in Madonna della Tosse.

You can help expand this article with text translated from the corresponding article in Italian. (September 2013) Click [show] for important translation instructions. View a machine-translated version of the Italian article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Italian Wikipedia article at [[:it:Bisenzio]]; see its history for attribution. You should also add the template {{Translated|it|Bisenzio}} to the talk page. For more guidance, see Wikipedia:Translation.

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Quick Facts Location, Country ...

Bisenzio
Iced Bisenzio river at Mercatale bridge in Prato
Location
Country	Italy
Physical characteristics
Source
• location	Cantagallo municipality
Mouth
• location	Arno
• coordinates	43°46′23″N 11°05′52″E
Length	47 km (29 mi)
Basin features
Progression	Arno→ Tyrrhenian Sea

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The river is a tributary of the Arno arising from the southern side of the Tuscan-Emilian Apennines. Its 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 surrounded by lower peaks on the east, bordering the Sieve and the upper area of Prato Marinella. It flows to the lowland continuing towards Florence, passing through San Piero a Ponti village until it flows into the river Arno by the Pass of Ponte a Signa, after travelling 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 the river to flow near the southern edge of the mountains of Calvana. These mountains are mostly bare and stony, and form an arc from north to 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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