La Géographie du Lac Trasimène

giovedì 21 aprile 2011
di  Emilia MACCIONI
popolarità : 7%

Lake Trasimeno and Geography


Lake Trasimeno is in the north-west of Umbria, bordering Tuscany. It is by extension the fourth largest lake in Italy, the largest in Central Italy.


The lake is of tectonic origin and alluvial. In fact, it is formed as a result of movements of the earth’s crust in the Quaternary Middle affect western parts of Umbria and the lake that made the residue of a large basin that also included the Val di Chiana with the lakes of Chiusi and Montepulciano.


Trasimeno Lake is a lake closed because it has no natural tributaries and effluents. Over time, therefore, were built canals. The most important channel is the tributary Anguillara, which collects the waters of streams Tresa, Rio Maggiore, Moiano and Maranzano. The only outlet is a culvert that is located in San Savino, and based on the structure of the ancient canal designed by the Romans. This effluent is draining off excess water to the river Tiber, through the creek Caina. The Lake Trasimeno is said to have a laminar structure because it is very extensive (128 square km) but shallow (6 feet).

The Islands

In Lake Trasimeno, there are three islands that are, in order of magnitude, the Polvese, the Major and the Minor. Polvese The island is situated in the south-east and has an area of 69.60 hectares. Since 1995, the Province of Perugia, who is the owner since 1973, has declared Teaching Science Park and will carry out scientific research, experimentation and teaching environment. In the east and south is a vast wetland with reeds that give shelter to various species of birds and amphibians. The Major is the only inhabited island in a stable manner and has an area of 24 hectares, surrounded by a perimeter of 2 km The island is connected to the mainland by a ferry service to the country of Tuoro, Passignano Castiglione del Lago and an extensive network of trails covers the whole island, unravelling through a patch of olive trees, oaks, cypress, poplar and other Mediterranean varieties. The smaller island is privately owned, is shaped like a comma, and is covered with forest vegetation composed of pines and oaks that give shelter to a colony of cormorants.

The towns of Lake Trasimeno

Over the centuries the lake Trasimeno has been a great asset to the people who lived on its shores: the abundance of water was important for everyday life and agriculture, the large amount of fish it was important for ’ power. Throughout the Middle Ages until the end of 1800, the countries located on the lake pay taxes to the city of Perugia, as well as cash with a large quantity of fish. Today, the area of the lake is divided between different municipalities, which face it. These municipalities are: Tuoro, Passignano, Magione, Panicale and Castiglione del Lago.

The economy of Lake Trasimeno


In the hills most important crops are those of grapes and olives. In flat areas, however, are cultivated fruit trees and vegetables.

Industry and Craft

In our area the industry has a higher percentage than for agriculture. The most widespread sectors are the mechanical and the textile ones. The most important activities of craft are those related to construction.


In the area of Lake Trasimeno, tourism is very important for the local economy. Every year there are thousands of tourists attracted by the natural beauty of our lake and the wealth of artistic and cultural heritage found throughout the territory.









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