The Sieve is a river in

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 ...

. It is a tributary of the

Arno The Arno is a river in the Tuscany region of Italy. It is the most important river of central Italy after the Tiber. Source and route The river originates on Monte Falterona in the Casentino area of the Apennines, and initially takes a sou ...

, into which it flows at Pontassieve after a course of 62 km. The Sieve rises in the Tuscan-Emilian

Apennines The Apennines or Apennine Mountains ( ; or Ἀπέννινον ὄρος; or – a singular with plural meaning; )Latin ''Apenninus'' (Greek or ) has the form of an adjective, which would be segmented ''Apenn-inus'', often used with nouns s ...

, near the Futa Pass, at 930 m of elevation. The territory in which it flows is known in Italian as Valdisieve. In Italian language, the name "Sieve" is feminine, and is therefore referred to as ''La Sieve''.

Notes

Rivers of Tuscany Rivers of the Metropolitan City of Florence Rivers of Italy {{Italy-river-stub