The Anza is a 35-kilometre Alpine torrent of the Ossola in northern Italy. It flows from the glaciers of Monte Rosa through the Valle Anzasca and into the river Toce, of which it is a right tributary.
Country: Italy
Mouth: Toce
Length: 35 km (22 mi)
Progression: Toce→ Lake Maggiore→ Ticino→ Po→ Adriatic Sea