The Anza is a Alpine torrent of the

Ossola The Ossola (, also Valle Ossola or Val d’Ossola) is an area of Italy situated to the north of Lago Maggiore. It lies within the Province of Verbano-Cusio-Ossola. Its principal river is the Toce, and its most important town Domodossola. ...

in northern

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...

. It flows from the glaciers of

Monte Rosa : , other_name = Monte Rosa massif , translation = Mount Rose , photo = Dufourspitze (Monte Rosa) and Monte Rosa Glacier as seen from Gornergrat, Wallis, Switzerland, 2012 August.jpg , photo_caption = Central Mon ...

through the

Valle Anzasca The Anza is a Alpine torrent of the Ossola in northern Italy. It flows from the glaciers of Monte Rosa : , other_name = Monte Rosa massif , translation = Mount Rose , photo = Dufourspitze (Monte Rosa) and Monte Ro ...

and into the river

Toce The Toce () is a river in Piedmont, Italy, which stretches the length of the Val d'Ossola from the Swiss border to Lake Maggiore into which it debouches near Fondotoce in the commune of Verbania. The river is long and is formed in the upper V ...

, of which it is a

right tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

. Its own principal tributaries are the Pedriola, the Tambach, the Orlovono and the Quarazza near

Macugnaga Macugnaga ( Walser German: ''Z'Makana'') is a mountain village and a comune at elevation, in the province of Verbano-Cusio-Ossola, in the north of the Piedmont region of Italy. It is located at the base of Monte Rosa (), the second-tallest moun ...

and the Olocchia at

Bannio Anzino Bannio Anzino (pop. 539) is a '' commune'' of the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located about northeast of Turin and about west of Verbania. The main population centres within the municipality are the ''frazion ...

Sources

:''This original version of this article included text translated from its counterpart in the

Italian Wikipedia The Italian Wikipedia ( it, Wikipedia in italiano) is the Italian-language edition of Wikipedia. This edition was created on May 11, 2001 and first edited on June 11, 2001. As of , , it has articles and more than registered accounts. It is th ...

.'' Rivers of Italy Rivers of the Province of Verbano-Cusio-Ossola Rivers of the Alps {{Italy-river-stub