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The Tiber (Italian Tevere, Latin Tiberis) is a river in central Italy, best known as the main river of the city of Rome, which was founded on its eastern banks, not far from where the Tiber joins the Aniene.

At 406 kilometres, the Tiber is Italy's third-longest river. It originates from the Mount Fumaiolo of the Appennine mountain range, in the Province of Forlì-Cesena of the Emilia-Romagna region, then flows south through Umbria and Lazio (including the city of Rome and the Tiber Island). The main tributaries are the Chiascio, Nestore, Paglia, Nera and Aniene. The Tiber finally meets the Thyrrenian sea at Ostia, the westernmost, coastal municipality of Rome.

Isola Tiberina E Ponte Cestio, a 19th century painting by Roesler Franz

The Tiber has always been heavily charged with sediment, as it can be deduced by the adjective flavus ("yellow") given to it in ancient Roman times, since when the coastline at its mouth has consequently advanced by about 3 kilometres,[1] [2] so the ancient port of Ostia Antica is now inland.


  1. "Tiber River." Encyclopædia Britannica. 2006
  2. "Tiber". World Encyclopedia. Philip's, 2005.