The Seveso is a 55 km Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 river, which flows through the provinces of Como

Province of Como

The Province of Como is a province in the north of the Lombardy region of Italy and borders the Swiss cantons of Ticino and Grigioni to the North, the Italian provinces of Sondrio and Lecco to the East, the Province of Milan to the south and the Province of Varese to the West...

, Monza e Brianza and Milan

Province of Milan

The Province of Milan : /) is a province in the Lombardy region of Italy. Its capital is the city of Milan. The provincial territory is highly urbanized, resulting in the third highest population density among the Italian provinces with more than 2,000 inhabitants/km2, just behind the provinces of...

. It rises on Sasso di Cavallasca or Monte Sasso

Monte Sasso

Monte Sasso is a mountain of Lombardy, Italy....

 of Cavallasca

Cavallasca

Cavallasca is a comune in the Province of Como in the Italian region Lombardy, located about 40 km north of Milan and about 4 km west of Como, on the border with Switzerland...

, near San Fermo della Battaglia

San Fermo della Battaglia

San Fermo della Battaglia is a comune in the Province of Como in the Italian region Lombardy, located about 40 km north of Milan and about 3 km southwest of Como...

. From here its course runs through the communes  Montano Lucino

Montano Lucino

Montano Lucino is a comune in the Province of Como in the Italian region Lombardy, located about north of Milan and about 5 km southwest of Como....

, Grandate

Grandate

Grandate is a comune in the Province of Como in the Italian region Lombardy, located about north of Milan and about southwest of Como....

, Civello

Villa Guardia

Villa Guardia is a comune in the Province of Como in the Italian region Lombardy, located about 35 km northwest of Milan and about 6 km southwest of Como...

, Casnate con Bernate

Casnate con Bernate

Casnate con Bernate is a comune in the Province of Como in the Italian region Lombardy, about 30 km north of Milan and about 5 km south of Como...

, Portichetto

Luisago

Luisago is a comune in the Province of Como in the Italian region Lombardy, located about northwest of Milan and about southwest of Como. As of 31 December 2004, it had a population of 2,532 and an area of ....

, Fino Mornasco

Fino Mornasco

Fino Mornasco is a comune in the Province of Como in the Italian region Lombardy, located about northwest of Milan and about southwest of Como...

, Cucciago

Cucciago

Cucciago is a comune in the Province of Como in the Italian region Lombardy, located about north of Milan and about south of Como. As of 31 December 2004, it had a population of 3,205 and an area of 5.0 km²....

, Vertemate con Minoprio

Vertemate con Minoprio

Vertemate con Minoprio is a comune in the Province of Como in the Italian region Lombardy, located about 30 km north of Milan and about 9 km south of Como.-Main sights:*Abbey of San Giovanni a Vertemate, consecrated in 1096...

, Asnago

Cantù

Cantù is a city and comune in the Province of Como, located at the center of the Brianza zone in Lombardy. It is the second largest city in Brianza.-History:...

, Carimate

Carimate

Carimate is a comune in the Province of Como in the Italian region Lombardy, located about 25 km north of Milan and about 13 km south of Como...

, Cimnago

Lentate sul Seveso

Lentate sul Seveso is a comune in the Province of Monza and Brianza in the Italian region Lombardy, located about 25 km north of Milan....

, Lentate sul Seveso

Lentate sul Seveso

Lentate sul Seveso is a comune in the Province of Monza and Brianza in the Italian region Lombardy, located about 25 km north of Milan....

, Camnago

Lentate sul Seveso

Lentate sul Seveso is a comune in the Province of Monza and Brianza in the Italian region Lombardy, located about 25 km north of Milan....

, Barlassina

Barlassina

Barlassina is a comune in the Province of Monza and Brianza in the Italian region Lombardy, located about 20 km north of Milan.-External links:*...

, Seveso

Seveso

Seveso is a town and comune in the Province of Monza and Brianza, in the Region of Lombardy. The economy of the town has traditionally been based around the furniture industry....

, Cesano Maderno

Cesano Maderno

Cesano Maderno is a town and comune of c. 37,110 inhabitants in the province of Monza and Brianza, Lombardy, northern Italy. The town borders with the towns of Seveso in the North, in the South with Bovisio-Masciago, in the East with Desio and Seregno, and in the west with Ceriano Laghetto and...

, Binzago

Cesano Maderno

Cesano Maderno is a town and comune of c. 37,110 inhabitants in the province of Monza and Brianza, Lombardy, northern Italy. The town borders with the towns of Seveso in the North, in the South with Bovisio-Masciago, in the East with Desio and Seregno, and in the west with Ceriano Laghetto and...

, Bovisio-Masciago

Bovisio-Masciago

Bovisio-Masciago , is a comune in the Province of Monza and Brianza in the Italian region Lombardy, located about 15 km north of Milan.-Geography:...

, Varedo

Varedo

Varedo is a comune in the Province of Monza and Brianza, in the Italian region Lombardy, located about 15 km north of Milan.Varedo borders the following municipalities: Desio, Bovisio-Masciago, Limbiate, Nova Milanese, Paderno Dugnano....

, Palazzolo Milanese

Paderno Dugnano

Paderno Dugnano is a town and comune in the province of Milano, in Lombardy. It is bounded by other comuni of Senago, Varedo, Cusano Milanino, Cormano, Nova Milanese, Bollate, Novate Milanese, Cinisello Balsamo....

, Paderno Dugnano

Paderno Dugnano

Paderno Dugnano is a town and comune in the province of Milano, in Lombardy. It is bounded by other comuni of Senago, Varedo, Cusano Milanino, Cormano, Nova Milanese, Bollate, Novate Milanese, Cinisello Balsamo....

, Cusano Milanino

Cusano Milanino

Cusano Milanino is a town and comune in the province of Milan, in Lombardy. It borders Paderno Dugnano, Cinisello Balsamo, Cormano and Bresso....

, Cormano

Cormano

Cormano is a comune in the Province of Milan in the Italian region Lombardy, located about 9 km north of Milan.Cormano borders the following municipalities: Paderno Dugnano, Bollate, Cusano Milanino, Bresso, Novate Milanese, Milan....

, Bresso

Bresso

Bresso is a comune in the Province of Milan in the Italian region Lombardy, located about 8 km north of Milan. As of 31 December 2004, it had a population of 27,052 and an area of 3.38 km²...

. Finally, at Milan

Milan

Milan is the second-largest city in Italy and the capital city of the region of Lombardy and of the province of Milan. The city proper has a population of about 1.3 million, while its urban area, roughly coinciding with its administrative province and the bordering Province of Monza and Brianza ,...

, it joins with the canal called the Naviglio Martesana

Naviglio Martesana

The Naviglio Martesana is a canal in the Lombardy region, Northern Italy. Running from the Adda river, in the vicinity of Trezzo sull'Adda, to Milan, it was also known as Naviglio Piccolo...

 which flows into the Lambro

Lambro

For the river in Cilento, see Lambro . For the genus, see Lambro .The Lambro is a river of Lombardy, northern Italy, a left tributary of the Po....

.

The Seveso is sometimes called il fiume nero, or “the black river” on account of the colour it acquires from industrial pollutants.

The 'Oltreseveso' is the area in the north-west of Lombardy, (it is ‘oltre’ (beyond) the Seveso river). The beyond Seveso brianzolo, ( of Brianza), consists of the municipalities of Cermenate, Lazzate, Misinto, Cogliate, Ceriano Laghetto, Solaro and Limbiate.