Val Travaglia
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The Margorabbia is the river (
intermittent stream Intermittent, temporary or seasonal rivers or streams cease to flow every year or at least twice every five years.(Tzoraki et al., 2007) Such rivers drain large arid and semi-arid areas, covering approximately a third of the earth's surface. ...
) of Valtravaglia, a valley in the province of Varese, Lombardy,
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
. It is a tributary of the
Tresa The river Tresa leaves Lake Lugano at a point between Lavena Ponte Tresa in Italy and Ponte Tresa in Switzerland and flows into Lake Maggiore near Luino, a few hundred metres after joining the Margorabbia. At the outflow from Lake Lugano the rive ...
which it joins a few hundred metres upstream of
Lake Maggiore Lake Maggiore (, ; it, Lago Maggiore ; lmo, label=Western Lombard, Lagh Maggior; pms, Lagh Magior; literally 'Greater Lake') or Verbano (; la, Lacus Verbanus) is a large lake located on the south side of the Alps. It is the second largest l ...
. The source is near
Valganna Valganna is a ''comune'' (municipality) within the Province of Varese in the Italian region Lombardy, located about 60 km northwest of Milan and about 13 km north of Varese. The name Valganna is a compound of valley and Ganna, which is ...
. After forming a number of small lakes, including
Lago di Ganna Lago di Ganna is a lake at Valganna in the Province of Varese, Lombardy, Italy. It has an area of 0,07 km² and a maximum depth of 3 m. It is part of a natural reserve. Geography It is located in the comune of Valganna. The lake has as an ...
and
Lago di Ghirla Lago di Ghirla is a lake at Valganna in the Province of Varese, Lombardy, Italy. Geography Ghirla Lake is at 442 metres above sea level. Its affluent is river Margorabbia which is a subterranean river coming from Lake Ganna. Its maximal d ...
, its course continues through the
Prealps The Alpine foothills, or Prealps (german: Voralpen; french: Préalpes; it, Prealpi; ), may refer generally to any foothills at the base of the Alps in Europe. They are the transition zone between the High Alps and the Swiss Plateau and the Bavar ...
of Varese until near
Cunardo Cunardo is a ''comune'' (municipality) in the Province of Varese in the Italian region Lombardy, located about northwest of Milan and about north of Varese. Cunardo borders the following municipalities: Bedero Valcuvia, Cugliate-Fabiasco, Ferrer ...
it is swallowed up by a system of caves: ''Pont Niv'', ''Antro dei Morti'', ''Grotte di Villa Radaelli'' and ''Grotte del Traforo''. It emerges from underground near Ferrera di Varese and runs through the crossing the valley’s
communes An intentional community is a voluntary residential community which is designed to have a high degree of social cohesion and teamwork from the start. The members of an intentional community typically hold a common social, political, relig ...
of Grantola, Mesenzana and Germignaga. A cycle path has recently been constructed along this part of the river. The torrent has many
affluent Wealth is the abundance of valuable financial assets or physical possessions which can be converted into a form that can be used for transactions. This includes the core meaning as held in the originating Old English word , which is from an I ...
s. The most important left side tributaries are the Rancina, the Boesio and the Gesone; from the right it receives the waters of the Boggione, the Lisascora and the Grantorella. Thanks to the wet and karstic areas it traverses, the Margorabbia has a generally high discharge and dries up far less frequently than many torrents. These feature made it a useful source of power for the
mill Mill may refer to: Science and technology * * Mill (grinding) * Milling (machining) * Millwork * Textile mill * Steel mill, a factory for the manufacture of steel * List of types of mill * Mill, the arithmetic unit of the Analytical Engine early ...
s and factories which grew up along its banks. The
power hammer Power hammers are mechanical forging hammers that use an electrical power source or steam to raise the hammer preparatory to striking, and accelerate it onto the work being hammered. They are also called open die power forging hammers. They ha ...
s of Ghirla in the commune of Valganna are particularly well known. The river is subject to sudden and dramatic increases in its flow, becoming truly ‘torrential’. Very often bridges have been destroyed, or it has broken its banks and caused severe flooding in the Valtraviglia. Today many artificial
embankment Embankment may refer to: Geology and geography * A levee, an artificial bank raised above the immediately surrounding land to redirect or prevent flooding by a river, lake or sea * Embankment (earthworks), a raised bank to carry a road, railwa ...
s have been constructed along the Margorabbia for the purposes of flood protection.


The Margorabbia in literature

The river was mentioned by the writer
Piero Chiara Piero Chiara (March 23, 1913 – December 31, 1986) was an Italian writer. He was born in Luino, on Lake Maggiore (northern Italy). His father Eugenio was from Resuttano, Sicily; his mother Virginia Maffei was from Comnago, a Piedmontese village ...
, who was born in Luino on Lake Maggiore, in his story ''Quando cominciò il mercato di Luino''. {{Lago Maggiore Rivers of the Province of Varese Rivers of Italy