Lake Maggiore (UK: , US: ; Italian: Lago Maggiore Italian pronunciation: [ˈlaːɡo madˈdʒoːre]; Western Lombard: Lagh Maggior; Piedmontese: Lagh Magior; literally 'greater lake') or Verbano (pronounced [verˈbaːno]; Latin: Lacus Verbanus) is a large lake on the south side of the Alps . It is the second largest lake in Italy and the largest in southern Switzerland. The lake and its shoreline are divided between the Italian regions of Piedmont and Lombardy and the Swiss canton of Ticino. Located halfway between Lake Orta and Lake Lugano, Lake Maggiore extends for about 64 kilometres (40 miles) between Locarno and Arona.

The climate is mild in both summer and winter, producing Mediterranean vegetation, with many gardens growing rare and exotic plants. Well-known gardens include those of the Borromean and Brissago Islands , that of the Villa Taranto in Verbania, and the Alpinia Botanical Garden above Stresa.