ain river

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      The Ain (, French: [ɛ̃] ; Arpitan: En) is a river in eastern France. It gave its name to the Ain department. It is 190 km (120 mi) long.


      Geography


      The river rises at an altitude of some 700 metres, near the village of La Favière, in the Jurassic limestone of the southern end of the Jura mountains and flows into the Rhône near Saint-Maurice-de-Gourdans, about 40 kilometres upstream of Lyon.
      Its source is in the old county of Franche-Comté. It flows south through the combined lengths of the two departments of:

      Jura (named after the mountains), and
      Ain (named after the river).
      On the way it passes through the towns of Champagnole and Pont-d'Ain. Its longest tributaries are the Suran, Bienne, Albarine and Valouse.


      Geology


      The river flows through two regions. The Jura is, of course, Jurassic but it includes less clay than the Jurassic of England so Upper or Middle Jurassic means limestone of some sort, possibly marl (EB 13). The lower river passes over Holocene deposits from the river's own activity amongst rocks of the Middle or Upper Pleistocene (CG).
      The Jura consists of limestone strata crushed into ridges between the forces of the spreading rift valley of the Saône and the Alps, the latter raised by a collision of the Italian tectonic plate with Europe. The highest ridge is the easternmost and the Ain flows southwards in the lowest valley, which lies towards the western side of the Jura. The westernmost ridge is again rather higher as the plain of the Saône valley is subducted below the Jurassic rocks (Dercourt). The whole has been glaciated but there is relatively little till remaining in the Jura.
      The lower Ain flows on the plain where there is much Pleistocene material, much of it glacial till. However, the low scarp between the Pays de Dombes and the river is Miocene (CG).


      Economy


      The economy is not generally such as to provide riches. Neither is it one which used to require large towns as other than external markets in which to sell. The population is therefore dispersed. The exception to this is the town of Oyonnax, in the Ange valley which is parallel with the Ain. According to the legend, St Léger gave the monopoly of comb making to Oyonnax in 630. The traditional small products of the region, wood-turning, horn combs and trinkets led to the development of a specialism in the injection moulding, vacuum forming and so on of plastics, beginning with celluloid in 1880. The town's population in 1999 was 24,636 but it is the exception for the river basin (ext links).
      Timber is the region's most obvious asset. Some was marketed down river and some converted into charcoal which permitted the rise of water-powered forges working iron from smelters in the Saône valley. There is also pasture producing cheese specialities. In the 20th century, the water power was diverted to the production of hydro-electricity, a fact which aided the early introduction of the plastics industry at Oyonnax. In this, the Ain is central.
      This is an area of unusually high rainfall for France. But in the summer season, the weather is usually kind. The woodland walks, fishing, sailing and impressive scenery have permitted the development of the outdoor kind of tourism.



















      Fauna


      The Ain is very rich in fish, including trout, in particular Salmo trutta fario; grayling, especially the common grayling Thymallys thymallus; pike, perch, barbel, bream, carp, tench, roach, Eurasian minnow, chub and loach.
      Numerous birds populate the river's banks: duck, egret, swans, heron, and snipe. Beavers are also present and construct numerous dams while wild boar and roe deer are found in the woods and forests bordering the stream. Otters have once more been seen since 2003, so demonstrating a general improvement in the quality of the waters.


      Development


      The river's natural surroundings remain relatively wild, and are the subject of an environmental scheme by the name of a SDAGE (Schéma Directeur d’Aménagement et de Gestion des Eaux), set up under a French law. Its aim is to conserve and make the best use of the whole hydrological system by viewing it as a unit. That involves reconciling the hydro-electric stations with the boating, fishing, swimming and perhaps water extraction in view of the tendency to industrial development on the reclaimed delta land at its confluence with the Rhone at its southern end.


      Statistics




      See also


      Lac de Conflans, a lake at the confluence of the Ain and Valouse Rivers
      Saine (river)


      References



      Carte géologique de la France à l'échelle du millionième 6th edn, (2003) ISBN 2-7159-2158-6 [CG]
      Michelin France Tourist and Motoring Atlas (2002) ISBN 2-06-100128-9 [Mich]
      Bartholomew, J.G. The Times Survey Atlas of the World (1922) [Times]
      Dercourt, J. Géologie et Géodynamique de La France Outre-mer et européenne 3rd edn. (2002) ISBN 2-10-006459-2 [Dercourt]
      Encyclopediædia Britannica (1960) [EB]
      Fauna paragraph translated from the French Wikipedia article.


      External links



      Upper Palaeolithic cave art


      = Learned paper

      =
      MAYET, L. y PISSOT, J. (1915): Abri sous roche préhistorique de La Colombière près Pocin (Ain). Faculté des Sciences de Lyon. Laboratoire de Géologie et Paléontologie. section d'Anthropologie et Paléontologie, Lyon. 193 pp.

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    Ain (river) - Wikipedia

    The Ain (/ æ̃ /, [1] French: ⓘ; Arpitan: En) is a river in eastern France. It gave its name to the Ain department. It is 190 km (120 mi) long. [2]

    Ain River | Rhone-Alpes, Burgundy, Saone | Britannica

    Ain River, river, eastern France, flowing 124 miles (200 km) southward from the Jura Plateau through Jura and Ain départements. The river emerges from its gorge near Pont-d’Ain, having powered several hydroelectric stations (the largest of which is the Barrage de Vouglans).

    Ain (river) - Simple English Wikipedia, the free encyclopedia

    The Ain (in Franco-Provençal: En) is a river in eastern France. It is a right tributary of the Rhône river. It gave its name to the French department of Ain. The Ain river has a length of 190 km (118.1 mi), and a drainage basin with an area of 3,765 km 2 (1,454 sq mi). [1]

    The Rhône’s tributaries, the rivers that feed the river

    The Ain river. The Ain is a 190-kilometre tributary of the Rhône, rising at Conte in the Jura département. Most of its water comes from the Jura mountains. The Ain plays an essential role in the local ecosystem, providing a habitat for a wide variety of animal and plant species.

    Ain - Wikipedia

    Ain (/ æ̃ /, [3] French: ⓘ; Arpitan: En) is a French department in the Auvergne-Rhône-Alpes region, Eastern France. Named after the Ain river, it is bordered by the Saône and Rhône rivers. Ain is located on the country's eastern edge, on the Swiss border, where it neighbours the cantons of Geneva and Vaud. In 2019, it had a population of ...

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    Ain River (Haida Gwaii) - Wikipedia

    The Ain River is a river on Graham Island in the Haida Gwaii archipelago of the North Coast region of British Columbia, Canada, flowing southeast into Masset Inlet. [1] The name was conferred by George Dawson of the Geophysical Survey of Canada in 1878, who derived it from the Haida name Qua'nun. [1]

    Ain, France: travel guide and attractions in Ain, Rhone-Alpes

    The Ain department is situated to the north-west of the Rhone-Alps region of south-east France and takes its name from the River Ain. There are four distinctive regions within the department: Bresse, Bugey, Dombes and the Pays de Gex each with their own characteristics.

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    Pebble beaches, translucent water, wild surroundings and landscaped bathing sites very close to Lyon. Small paradise reserved for nature-friendly. The Ain river runs through the department of the same name. It crosses it from north to south to flow into the Rhône.

    Category:Ain (River) - Wikimedia Commons

    Apr 28, 2024 · Media in category "Ain (River)" The following 70 files are in this category, out of 70 total.