Lake Idro ( it, Lago d'Idro, also ''Eridio'' from la, Eridius lacus, lmo, Lac d'Ider, german: Idrosee) is an Italian

prealpine 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 Bava ...

lake of

glacial A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate betwe ...

origin situated largely within the

Province of Brescia The Province of Brescia ( it, provincia di Brescia; Brescian: ) is a Province in the Lombardy administrative region of northern Italy. It has a population of some 1,265,964 (as of January 2019) and its capital is the city of Brescia. With an ...

( Lombardy) and in part in

Trentino Trentino ( lld, Trentin), officially the Autonomous Province of Trento, is an autonomous province of Italy, in the country's far north. The Trentino and South Tyrol constitute the region of Trentino-Alto Adige/Südtirol, an autonomous regio ...

. At 368 m above sea level it is the highest of the Lombard prealpine lakes. The lake is fed principally by the waters of the river

Chiese The Chiese, also known in the Province of Brescia as the Clisi, is a Italian river that is the principal immisary and sole emissary of the sub-alpine lake Lago d’Idro, and is a left tributary of the Oglio. The river rises from the Adamell ...

; that river is also its only emissary. It has a surface area of 11.4 km² and a maximum depth of 122 m. The lake is surrounded by wooded mountains. The shoreline of some 24 km is shared between four

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, religious, ...

: Idro (the ''

frazioni A ''frazione'' (plural: ) is a type of subdivision of a ''comune'' (municipality) in Italy, often a small village or hamlet outside the main town. Most ''frazioni'' were created during the Fascist era (1922–1943) as a way to consolidate territ ...

'' Crone and Lemprato), from which the lake takes its name,

Anfo ANFO ( ) (or AN/FO, for ammonium nitrate/fuel oil) is a widely used bulk industrial explosive. It consists of 94% porous prilled ammonium nitrate (NH4NO3) (AN), which acts as the oxidizing agent and absorbent for the fuel, and 6% number 2 fue ...

Bagolino Bagolino (Brescian: ) is a ''comune'' in the province of Brescia, in Lombardy, Italy, in the valley of the river Caffaro, on the right side of Valle Sabbia. Bagolino is known for the cheese named Bagòss and the carnival. Similar to grana pada ...

(''fraz.'' Ponte Caffaro) and

Bondone Bondone (''Bondù'', in local dialect) is a ''comune'' located about southwest of Trento in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, on the border with Lombardy. It is As of 31 December 2004, it had a population ...

(''fraz.'' Baitoni). Lake Idro currently faces severe problems of

eutrophication Eutrophication is the process by which an entire body of water, or parts of it, becomes progressively enriched with minerals and nutrients, particularly nitrogen and phosphorus. It has also been defined as "nutrient-induced increase in phytopla ...

resulting from the absence of adequate sewerage systems and the use of its feed-waters for irrigation and the generation of

hydropower Hydropower (from el, ὕδωρ, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of ...

: it has become a site of conflict between environmental, agricultural and electricity industry interests. The name derives from a legendary monster ( Idra ) who supposedly lived there

References

* http://www.ise.cnr.it/limno/schede/idro.htm
Salviamo il lago d’idro
{{DEFAULTSORT:Idro Lakes of Lombardy Lakes of Trentino-Alto Adige/Südtirol Subalpine lakes of Italy Waterways of Italy Lakes of Trentino Province of Brescia

See also

References