The Terzolle stream in origin was a tributary of the

Arno The Arno is a river in the Tuscany region of Italy. It is the most important river of central Italy after the Tiber. Source and route The river originates on Monte Falterona in the Casentino area of the Apennines, and initially takes a s ...

stream, now it's a tributary of

Mugnone The Mugnone is a river in Italy that runs through Florence and is a tributary to the Arno. The river has been known since Roman times. The river historically flowed into the Arno near the Ponte Vecchio The Ponte Vecchio ("Old Bridge", ) is a me ...

stream (that in turn is a tributary of the

Arno river The Arno is a river in the Tuscany region of Italy. It is the most important river of central Italy after the Tiber. Source and route The river originates on Monte Falterona in the Casentino area of the Apennines, and initially takes a s ...

); it makes its short journey in the area of

Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico an ...

. Its source is located near

Cercina Cercina () is a ''frazione'' (rural borough) of the municipality of Sesto Fiorentino, in the Metropolitan City of Florence, central Italy, located on the slopes of Mount Morello Monte Morello is the highest mountain (934 m.) in the Flore ...

, a few kilometers north of the Tuscan capital. After a journey of about one and a half kilometers, in the mill at the height of the small inhabited center of Serpiolle, the Terzolle joins the small Terzollina stream. Two streets have been dedicated where these two small streams meet: via del Mulino and via Nuova del Mulino. The Terzolle then crosses the Rifredi district, which derives its name from the cold water of the Terzolle (which was called Rio freddo), which in winter reach really low temperatures (5-6 °C). After crossing the Ponte di Mezzo, the Terzolle joins the

, at the height of the Ponte di San Donato. The watercourse continues keeping the name of

up to the confluence of the

river, at the height of the Ponte all'Indiano. Originally the Terzolle flowed into the

at a point near the present Ponte alla Vittoria. Today we are witnessing the

environmental degradation Environmental degradation is the deterioration of the environment (biophysical), environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; an ...

of the city stretch of the stream: the lack of care for the waters of the Terzolle risks irreversibly damaging that stream that has characterized the life of the Rifredi district, which for many years had to defend itself from the floods of the stream. The name Terzolle is of Roman origin since at the time of Roman

Florentia Florentia () is a former commune in the Jura department in Bourgogne-Franche-Comté in eastern France. On 1 January 2016, it was merged into the commune of Val-d'Épy. Population See also * Communes of the Jura department The following ...

it was located at the third mile to the north. Torrente_Terzolle

The protected area

Adjacent to the site of community interest of

Monte Morello Monte Morello is the highest mountain (934 m.) in the Florentine valley, Italy. It is located to the north-west of Florence and it spreads across the borders of the municipalities of Florence, Vaglia, Sesto Fiorentino and Calenzano. More ...

, the protected natural area of local interest (ANPIL) of Terzolle was proposed in 2004, on an area of 1,927

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is a ...

s in the municipalities of

Vaglia Vaglia is a ''comune'' (municipality) in the Metropolitan City of Florence in the Italian region Tuscany, located about north of Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany Regions of ...

and

Sesto Fiorentino Sesto Fiorentino (), known locally as just Sesto, is a municipality (''comune'') in the Metropolitan City of Florence, Tuscany, central Italy. History The oldest known human settlement in the area dates from the Mesolithic (c. 9,000 years ago) ...

, on the east side of

at about 500 m a.s.l. The area preserves wooded areas of the Mediterranean type and rural environments in which buildings and valuable crops alternate; this landscape is marked by cypresses and olive trees.{{Cite web, author=Provincia di Firenze, title=PTC della provincia di Firenze - Quadro conoscitivo delle aree protette, url=http://www.provincia.fi.it/fileadmin/assets/Territorio/PTCP/QC11_AREE_PROTETTE.pdf

Notes

Other projects

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/span> contains images or other files about Terzolle
/span> Rivers of the Metropolitan City of Florence