The Naviglio Grande is a canal in Lombardy, northern Italy, connecting the Ticino river near Tornavento to the Porta Ticinese dock, also known as the Darsena, in Milan. It drops 34 m (112 ft) over 49.9 km (31.0 mi). It varies in width from 22 to 50 m from Tornavento to Abbiategrasso, dropping to 15 m (49 ft) between there and Milan. Initially it carries 63 cubic metres per second (2,200 cu ft/s), 116 outlets take water to irrigate 500 square kilometres (190 sq mi) leaving the canal 12 m (39 ft) wide and carrying 12 m3/s (420 cu ft/s) as it enters the dock.