The Arno is a river in the Tuscany region of Italy. It is the most important river of central Italy after the Tiber.
View of the Arno from the Piazzale Michelangelo
Ponte Vecchio over the Arno in Florence
View of the Arno from the Ponte Vecchio
High water marks of Arno river floods on August 13, 1547 (left) and November 3, 1844 (metal plate on the right). Photographed in Via delle Casine.
Florence is the capital and most populous city of the Italian region of Tuscany, and, as of 2026, with a population of 361,625, the 8th most populous city in the country. It is also the capital of the
Arno
…Monte Falterona in the Casentino area of the Apennines, and initially takes a southward curve. The river turns to the west near Arezzo passing through Florence, Empoli and Pisa, flowing into the Tyrrhenian Sea at Marina di Pisa. With a length of 241 kilometres (150 mi), it is the largest river in the region…
View of Florence from Piazzale Michelangelo; the dome of Florence Cathedral and the tower of Palazzo Vecchio are visible in the distance.
The Goth King Totila razes the walls of Florence during the Gothic War: illumination from the Chigi manuscript of Villani's Cronica
View of Florence by Hartmann Schedel, published in 1493
Painting based on an original from the late 15th century, attributed to Francesco di Lorenzo Rosselli