The Isorno is an Italian and Swiss river, a tributary of the Melezzo Orientale.

Isorno
Location
CountryItaly, Switzerland
Physical characteristics
Source 
 • locationPioda di Crana
 • elevation2,283 m (7,490 ft)
MouthMelezzo Orientale
 • coordinates
46°10′48″N 8°42′23″E / 46.1801°N 8.7063°E / 46.1801; 8.7063
Basin features
ProgressionMelezzo OrientaleMaggiaLake MaggioreTicinoPoAdriatic Sea

Its source is in Italy near Pioda di Crana where it is called the Onsernone River. It passes through Bagni, a frazione of Craveggia. The offical name changes to Isorno upon entering Switzerland, where it flows through Onsernone, Mosogno, Isorno, and finally Intragna where it joins the Melezzo Orientale.

The valley formed over the eons by the Isorno, although easily reached from Lugano, Bellinzona, Domodossola and Locarno, is one of the wildest and least-developed in Switzerland. There have been proposals to institute a national park in the Onsernone Valley like that of Engadin, but they have been voted down, most recently in 2018. Opponents fear such a park could bring in a slough of government regulations as well as mass tourism that would end the laid back lifestyle for which the area is known.[1]

References

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  1. ^ Glassberg, Rachel (2019-08-24). "New life for Switzerland's hippy valley". The Guardian. ISSN 0261-3077. Retrieved 2024-06-26.