The Chiese, also known in the

Province of Brescia The province of Brescia (; Brescian: ) is a Provinces of Italy, province in the Lombardy region of Italy. It has a population of some 1,265,964 (as of January 2019) and its capital is the city of Brescia.With an area of 4,785 km2, it is the ...

as the Clisi, is a Italian river that is the principal immisary and sole emissary of the sub-alpine lake Lago d’Idro (Lake Idro), and is a left tributary of the Oglio. The river rises from the Adamello in

Trentino Trentino (), officially the Autonomous Province of Trento (; ; ), is an Autonomous province#Italy, autonomous province of Italy in the Northern Italy, country's far north. Trentino and South Tyrol constitute the Regions of Italy, region of Tren ...

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

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 ...

and the

. After leaving the lake, the river runs through the Val Sabbia as far as Roè Volciano. Here it enters the pianura padana, and flows south through Gavardo, Calcinato, Montichiari, Carpenedolo and Acquafredda, 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 (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...

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