The Chiese, also known in the

Province of Brescia The Province of Brescia ( it, provincia di Brescia; Brescian: ) is a Province in the Lombardy administrative region of northern Italy. It has a population of some 1,265,964 (as of January 2019) and its capital is the city of Brescia. With an ...

as the Clisi, is a Italian river that is the principal immisary and sole emissary of the

sub-alpine Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...

lake Lago d’Idro, and is a left tributary of the Oglio. The river rises from the Adamello in

Trentino Trentino ( lld, Trentin), officially the Autonomous Province of Trento, is an autonomous province of Italy, in the country's far north. The Trentino and South Tyrol constitute the region of Trentino-Alto Adige/Südtirol, an autonomous regio ...

and runs through the Val di Fumo and the Val di Daone, forming the reservoirs of Lago di Malga Bissina and Lago di Malga Boazzo. At Pieve di Bono it enters the lower valleys of

Giudicarie 200px, Territory of Giudicarie (green) in Trentino province (gray) Giudicarie (also ''Val Giudicarie'' and ''Valli Giudicarie'', german: Judikarien) is an area of Western Trentino, northern Italy, which includes the upper courses of the river ...

, receiving the waters of the '' torrente'' Adanà. Further south it flows through the Lago d'Idro near Baitoni before running down into Lombardy and the

. After leaving the lake the river runs through the Val Sabbia as far as

Roè Volciano Roè Volciano (Brescian: ) is a ''comune'' in the province of Brescia, in Lombardy Lombardy ( it, Lombardia, Lombard language, Lombard: ''Lombardia'' or ''Lumbardia' '') is an administrative regions of Italy, region of Italy that covers ; it is l ...

. Here it enters the pianura padana, and flows south through Gavardo, Calcinato, Montichiari, Carpenedolo and

Acquafredda Acquafredda (Brescian: ) is a town and ''comune'' in the province of Brescia, in Lombardy, northern Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in th ...

, enters the Province of Mantua at Asola, before flowing into the Oglio on its left bank in the valley of Acquanegra sul Chiese. Bacino fiume Chiese

Exploitation as a source of hydropower

Like its twin the Sarca, the river is born of the

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such a ...

s of the Parco naturale provinciale dell'Adamello-Brenta and its waters are intensively used for the production of hydro-electricity. Within the highly restricted area of its drainage basin above Lago d’Idro there are at least four artificial lakes and three hydro-electric power stations. The lower course of the river in Lombardy is also used for this purpose. {{Authority control Rivers of Italy Rivers of Trentino Rivers of the Province of Brescia Rivers of the Province of Mantua