| Seveso | |
|---|---|
| Origin | Cavallasca on Monte Sasso, Province of Como, Lombardy |
| Mouth | the Naviglio Martesana canal in Milan |
| Basin countries | Italy |
| Length | 55 km |
| Source elevation | 490 m |
| Avg. discharge | 1.8 m²/s |
| Basin area | 930 km² |
The Seveso is a 55 km Italian river, which flows through the provinces of Como, Monza e Brianza and Milan. It rises on Sasso di Cavallasca or Monte Sasso of Cavallasca, near San Fermo della Battaglia. From here its course runs through the communes Montano Lucino, Grandate, Civello, Casnate con Bernate, Portichetto, Fino Mornasco, Cucciago, Vertemate con Minoprio, Asnago, Carimate, Cimnago, Lentate sul Seveso, Camnago, Barlassina, Seveso, Cesano Maderno, Binzago, Bovisio-Masciago, Varedo, Palazzolo Milanese, Paderno Dugnano, Cusano Milanino, Cormano, Bresso. Finally, at Milan, it joins with the canal called the Naviglio Martesana which flows into the Lambro.
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.