Po (river) 70,000 in Italy, of which 41,000 is in montane environments and 29,000 on the plain. The Po is the longest river in Italy; at its widest point its width is . The Po extends along the 45th parallel north. The river flows through many important Italian cities, including Turin (Torino), Piacenza and Ferrara. It is connected to Milan through a net of channels called "navigli", which Leonardo da Vinci helped design. Near the end of its course, it creates a wide delta (with hundreds of small channels and five main ones, called "Po di Maestra", "Po della Pila", "Po delle
Platani (river) Platani (river) The Platani (), known in ancient Greek as the ("Lykos", "wolf") or ("Halykos", "Salty"), is a river in southern Sicily, Italy. It is the fifth longest in the island after Imera Meridionale, Simeto, Belice and Dittaino, with a course of 103 km, and the third for drainage basin with 1,785 km², after the Simeto and Imera Meridionale. It flows through the provinces of Palermo and Agrigento, marking the boundary between the latter and that of Caltanissetta. The river generates at the confluence of Platani di Lercara and Platani di Castronuovo, which, respectively, springs in the "comuni" of Lercara