Lago di Lei is a

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

in the Valle di Lei, powering the Hinterrhein storage power stations. The reservoir is almost entirely in

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 re ...

, but the barrage was built on territory ceded by Italy to

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

(municipality of

Ferrera Ferrera is a municipality in the Viamala Region in the Grisons, Switzerland. It was formed on 1 January 2008 through the merger of Innerferrera and Ausserferrera. Geographically, it covers the entire Ferrera valley. Historical population ...

Grisons The Grisons () or Graubünden,Names include: *german: (Kanton) Graubünden ; * Romansh: ** rm, label= Sursilvan, (Cantun) Grischun ** rm, label=Vallader, (Chantun) Grischun ** rm, label= Puter, (Chantun) Grischun ** rm, label=Surmiran, (Cant ...

) in 1955 after diplomatic talks, while an equivalent sized territory further north of the lake was ceded to Italy in the exchange. The dam is operated by Kraftwerke Hinterrhein. The waters of the lake are the only waters in Italian territory that drain to the North Sea, being part of the Rhine's drainage basin. Other waters of Italy that do not flow to the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...

are found in the valley of

Livigno Livigno (; local lmo, Livígn ; german: Luwin) is a town, ''comune'' and a special-administered territory in the province of Sondrio, in the region of Lombardy, Italy, located in the Italian Alps, near the Swiss border. History Livigno's firs ...

, valley of

Sexten Sexten (; it, Sesto ) is a ''comune'' in South Tyrol in northern Italy. The village is famous as a summer and winter sport resort in the mountains. According to the 2011 census, 95.37% of the population speak German, 4.36% Italian and 0.27% Ladin ...

Puster Valley The Puster Valley ( it, Val Pusteria ; german: Pustertal, ) is one of the largest longitudinal valleys in the Alps that runs in an east-west direction between Lienz in East Tyrol, Austria, and Mühlbach near Brixen in South Tyrol, Italy. The Sou ...

east of Innichen, and most of the waters of the municipality of

Tarvisio Tarvisio (German and fur, Tarvis, sl, Trbiž) is a comune in the northeastern part of the autonomous Friuli Venezia Giulia region in Italy. Geography The town is in the Canal Valley (''Val Canale'') between the Carnic Alps and Karawanks rang ...

east of Sella Nevea: all these waters flow to the Black Sea through the basin of the Danube.

References

External links

Hinterrhein storage power stations

Kraftwerke Hinterrhein increase efficiency thanks to modern technology
article about renovation of power plant that included drainage of the Lago di Lei reservoir. * *

* ttp://www.khr.ch/portrait/anlagen/valle-di-lei.html&lang=2 KHR: ''Valle di Lei: il Reno è anche un po' italiano'' Lei Lei Lei Lei Lei Province of Sondrio Italy–Switzerland border Lei Ferrera {{Sondrio-geo-stub

See also

References

External links