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。阿尔诺河的洪水使佛罗伦萨的艺术珍藏遭到严重破坏