The Serio Falls (Italian: Cascate del Serio) is the tallest waterfall in Italy and one of the major ones in Europe. Serio Falls is located approximately 100 km from Milano, near the village of Valbondione, in the upper Valle Seriana, Province of Bergamo, Lombardy, Northern Italy. The falls are composed of three main steps, respectively 166, 74 and 75 metres tall. Taken together the falls have a drop of 315 m (more than 1000 ft). The falls are formed by the Serio River, at a short distance from its source in the Bergamo Alps.