LAGO MAGGIORE, or LAKE OF LOCARNO (Lacus Verbannus), a lake in the north of Italy, touching Lombardy, Piedmont, and the Swiss canton of Ticino. Average breadth 2 miles, length 40 miles. Its basin in some places is of the depth of 438 fathoms, and is fed by the Toce on the W., the Ticino on the N.E., and the Fresca on the E. The chief islands are the Borromean. Merchant-vessels engaged in the timber trade traverse its waters; and steam-packets ply regularly between Magadino and Sesto Calende. The lake abounds in fish, and its shores in fine marble quarries.