The Pioverna is a ''
torrente'' (a stream whose flow is subject to a high level of seasonal variation) of
Lombardy
The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...
in northern
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
. The stream is born in the
Grigna massif and flows north and west through the
Valsassina image:Altopiano valsassina.jpg, 250px, The Valsassina plateau
Valsassina is a valley in the Alps of Lombardy, northern Italy, within the province of Lecco.
It is included between the Grigna range from West, and the Bergamasque Prealps, Bergamo Preal ...
, forming a
gorge
A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...
at Bellano before entering
Lake Como
Lake Como ( , ) also known as Lario, is a lake of glacial origin in Lombardy, Italy. It has an area of , making it the third-largest lake in Italy, after Lake Garda and Lake Maggiore. At over deep, it is one of the deepest lakes in Europe. ...
. The entire course of the stream falls within the
Province of Lecco
The province of Lecco (; Lecchese: ) is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is the city of Lecco.
As of 2017, the province had a population of 337,211 on a surface of divided into 85 ''comuni'' (: ''com ...
The torrent, home to
brown trout
The brown trout (''Salmo trutta'') is a species of salmonid ray-finned fish and the most widely distributed species of the genus ''Salmo'', endemic to most of Europe, West Asia and parts of North Africa, and has been widely introduced globally ...
,
rainbow trout
The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributary, tributaries of the Pacific Ocean in North America and Asia. The steelhead (sometimes called steelhead trout) is an Fish migration#Classification, ...
and
European bullhead
The European bullhead (''Cottus gobio'') is a freshwater fish that is widely distributed in Europe, mainly in rivers. It is a member of the family Cottidae, a type of sculpin. It is also known as the miller's thumb, freshwater sculpin, common bu ...
, is a favourite of
anglers.
Rivers of Italy
Rivers of Lombardy
Rivers of the Province of Lecco
Valsassina
{{Italy-river-stub