Britannica
Sources used in this answer
Which major river flows beside the Umbrian-Marchigian Apennines before passing through Rome?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Apennine Range
The Apennines mountain range.
The major river that flows along the western base of the Umbrian-Marchigian Apennines before passing through Rome is the Tiber River.1
While the Tiber originates on the slope of Monte Fumaiolo in the Tuscan-Emilian Apennines, its course takes it southward along the western edge of the Umbrian-Marchigian range on its way to the Tyrrhenian Sea.21