Lake Maggiore - Geography

Geography

Lake Maggiore is 68 km long, with a breadth which varies from 3 to 5 km, except at the bay opening westward between Pallanza and Stresa, where this reaches 10 km. It exceeds all the other Italian lakes in length, but in the extent of surface it falls considerably below the Lake Garda. Its mean height above the sea level is 193 metres; but as its depth greatly exceeds that measurement, the bed is almost everywhere considerably below the sea-level, and reaches no less than 179 metres below the sea. Its form is very sinuous, so that there are few points from which any considerable part of its surface can be seen at a single glance. If this lessens the effect of the apparent size, it increases the variety of its scenery. While the upper end is completely alpine in character, the middle region lies between hills of gentler form, and the lower end advances to the verge of the plain of Lombardy.

The lake basin has tectonic-glacial origins and its volume is 37 km³. The lake has a surface area of about 213 km², a maximum length of 54 km and, at its widest, is 12 km. Its main tributaries are the Ticino, the Maggia, the Toce (by which it receives the outflow of Lake Orta) and the Tresa (which is the sole emissary of Lake Lugano). The rivers Verzasca, Giona, and Cannobino also flow into the lake. Its outlet is the Ticino which, in turn, joins the river Po just south-east of Pavia.

The lake’s jagged banks are surrounded by the Lepontine Alps. The western bank is in Piedmont (provinces of Novara and Province of Verbano-Cusio-Ossola) and the eastern in Lombardy (province of Varese), whereas the most northerly section extends thirteen kilometres into the canton of Ticino, where it constitutes its lowest point above sea-level as well as that of Switzerland.

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