The Boesio is a ‘torrent’—or intermittent stream—of the province of Varese

Province of Varese

The Province of Varese is a province in the Lombardy region of Italy. Its capital is the city of Varese but its largest city is Busto Arsizio....

 in north Italy

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...

’s Lombardy

Lombardy

Lombardy is one of the 20 regions of Italy. The capital is Milan. One-sixth of Italy's population lives in Lombardy and about one fifth of Italy's GDP is produced in this region, making it the most populous and richest region in the country and one of the richest in the whole of Europe...

. It rises near Cuveglio

Cuveglio

Cuveglio is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 12 km northwest of Varese...

 and runs through the Valcuvia valley in an east-west direction before entering Lake Maggiore

Lake Maggiore

Lake Maggiore is a large lake located on the south side of the Alps. It is the second largest of Italy and largest of southern Switzerland. Lake Maggiore is the most westerly of the three great prealpine lakes of Italy, it extends for about 70 km between Locarno and Arona.The climate is mild...

 at Laveno-Mombello

Laveno-Mombello

Laveno-Mombello is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 20 km northwest of Varese...

.

The river’s course takes it through the communes of Cuveglio, Cuvio

Cuvio

Cuvio is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 12 km northwest of Varese...

, Casalzuigno

Casalzuigno

Casalzuigno is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 14 km northwest of Varese....

, Azzio

Azzio

Azzio is a town and comune located in the province of Varese, in the Lombardy region of northern Italy. As of January 13, 2011, it has a population of 808 and a population density of 359.1. It contains 328 families, and 365 housing units. It's phone prefix is 0332. Their official website is found ....

, Brenta

Brenta (VA)

Brenta is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 15 km northwest of Varese. As of 31 December 2004, it had a population of 1,705 and an area of 4.2 km².Brenta borders the following municipalities: Azzio,...

, Gemonio

Gemonio

Gemonio is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 14 km northwest of Varese...

, Cittiglio

Cittiglio

Cittiglio is a comune in the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 15 km northwest of Varese...

 and Laveno-Mombello. The state road SS 394 follows in part the course of the river.

Fish found in the river include Salmonidae

Salmonidae

Salmonidae is a family of ray-finned fish, the only living family currently placed in the order Salmoniformes. It includes salmon, trout, chars, freshwater whitefishes and graylings...

 and Cyprinidae, in particular brown trout

Brown trout

The brown trout and the sea trout are fish of the same species....

 and vairone (Leuciscus souffia). The waters of the river are polluted

Pollution

Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light...

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