A river of central Italy rising in the northern Apennines and flowing about241 km(150 mi) to the Ligurian Sea.Flooding of the Arno has caused severe damage to art treasures in Florence.

• 阿尔诺河意大利中部一河流，发源于亚平宁山脉北部，流程约241公里（150英里），后注入利古里亚海。