The Nera is a 116 km (72 mile) long river which flows almost entirely in Umbria, Italy. A tributary to the Tiber, its sources are in the Monti Sibillini, east of Foligno. It flows southward past Terni and Narni. It joins the Tiber near Orte. [[ == Headline text == This article does not cite its references or sources. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... [[ == Headline text == This article does not cite its references or sources. ... In hydrology, the discharge of a river is the volume of water transported by it in a certain amount of time. ... This bridge across the Danube River links Hungary with Slovakia. ... Umbria is a region of central Italy, bordered by Tuscany to the west, the Marche to the east and Lazio to the south. ... Tiber River in Rome The Tiber (Italian Tevere, Latin Tiberis), the third-longest river in Italy at 406 km (252 miles) after the Po and the Adige, flows through Rome in its course from Mount Fumaiolo to the Tyrrhenian Sea, which it reaches in two branches that cross the suburbs... Foligno, (Latin: Fulginiae, Fulginium) an ancient town of Italy, in the province of Perugia in east central Umbria, at 233 meters (764 ft) above sea-level, on the Topino river where it leaves the Apennines and enters the wide plain of the Clitunno river system. ... Terni, (Latin: Interamna Nahars) an ancient town of Italy, capital of Terni province in southern Umbria, 42°33N, 12°39E, at 130 meters (427 ft) above sea-level in the plain of the Nera river. ... Bridge of Narni over the Nera River, Jean-Baptiste Camille Corot, 1826. ... Orte is a town in the province of Viterbo, Lazio, Italy. ...