The Nera, which rises in the lofty group of the Monte della Sibilla, is a considerable stream, and brings with it the waters of the Velino (with its tributaries the Turano and the Salto), which joins it a few miles below its celebrated waterfall at Terni.
The manufacture of steel rails, carried on first at Terni and afterwards at Savona, began in Italy in 1886.
On the 17th of April a general railway strike was ordered by the union, but owing to the action of the authorities, who for once showed energy, the traffic was carried on, Other disturbances of a serious character occurred among the steelworkers of Terni, at Grammichele in Sicily and at Alessandria.
For the contests of the Reatines with the people of Interamna see Terni.
Terni lies on the main railway line from Rome to Foligno and Ancona, and is the junction for Rieti and Sulmona.