The Cremera is a Italian stream in

Lazio it, Laziale , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...

(and previously in

Etruria Etruria () was a region of Central Italy, located in an area that covered part of what are now most of Tuscany, northern Lazio, and northern and western Umbria. Etruscan Etruria The ancient people of Etruria are identified as Etruscans. T ...

) which runs past

Sacrofano Sacrofano is a '' comune'' (municipality) in the Metropolitan City of Rome in the Italian region Latium, located about north of Rome. Located near the Monti Sabatini, at the feet of an extinct volcano, it is included in the Regional Park of V ...

, Formello, and

Campagnano di Roma Campagnano di Roma is a ''comune'' (municipality) in the Metropolitan City of Rome in the Italian region Latium, located about northwest of Rome. It was first mentioned in 1076, having been carved out of the great estate assembled on the Roman p ...

before falling into the

Tiber The Tiber ( ; it, Tevere ; la, Tiberis) is the third-longest river in Italy and the longest in Central Italy, rising in the Apennine Mountains in Emilia-Romagna and flowing through Tuscany, Umbria, and Lazio, where it is joined by the Ri ...

about north of

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

. It connects to the Tiber just as the

Via Flaminia The Via Flaminia or Flaminian Way was an ancient Roman road leading from Rome over the Apennine Mountains to ''Ariminum'' ( Rimini) on the coast of the Adriatic Sea, and due to the ruggedness of the mountains was the major option the Romans ha ...

intersects the

Grande Raccordo Anulare The GRA or Grande Raccordo Anulare (literally, "Great Ring Junction") is a toll-free, ring-shaped long orbital motorway that encircles Rome. GRA is one of the most important roads in Rome, and traffic reaches 160,000 vehicles per day as of 20 ...

highway, on the proximity of the Labaro Roma Nord railway station, where there is an ancient Roman bridge. The identification with the Fosso della Valchetta is fixed as correct by the account in

Livy Titus Livius (; 59 BC – AD 17), known in English as Livy ( ), was a Roman historian. He wrote a monumental history of Rome and the Roman people, titled , covering the period from the earliest legends of Rome before the traditional founding in ...

ii. 49, which shows that the '' Saxa Rubra'' were not far off, and this we know to be the Roman name of the post station of Prima Porta, about from Rome on the Via Flaminia. It is famous for the defeat of the three hundred Fabii, who had established a fortified post on its banks.

References

{{reflist Rivers of the Province of Rome Rivers of Italy