Iller

The Iller  (ancient name Ilargus) is a river of Bavaria and Baden-Württemberg in Germany. It is a right tributary of the Danube, 146 kilometres (91 mi) long.

Iller
Origin of the Iller (Photo from an aircraft)
Location
CountryGermany
StatesBavaria and Baden-Württemberg
Physical characteristics
Source 
 • locationNorthern Limestone Alps
Mouth 
 • location
Danube
 • coordinates
48°22′53″N 9°58′23″E
Length145.9 km (90.7 mi) [1]
Basin size2,147 km2 (829 sq mi) [1]
Discharge 
 • average90 m3/s (3,200 cu ft/s)
Basin features
ProgressionDanube→ Black Sea

It is formed at the confluence of the rivers Breitach, Stillach and Trettach near Oberstdorf in the Allgäu region of the Alps, close to the Austrian border. From there it runs northwards, passing the towns of Sonthofen, Immenstadt, and Kempten.

The Iller near Steinheim (district of Memmingen)

Between Lautrach near Memmingen and Ulm it forms the border between the two German States Bavaria and Baden-Württemberg for about 50 kilometres (31 mi). The river flows into the Danube in the city centre of Ulm.

The Iller has a catchment area of 2,152 square kilometres (831 sq mi). It ranks as the seventh of Bavaria's rivers by water flow, with an average throughput of 75 cubic metres per second (2,600 cu ft/s) at Senden, a short distance upstream from the Danube. The power of the river is used for the production of hydroelectricity via eight power stations with a total net capacity of 51 MW (1998).

A bicycle route follows the Iller, which is also a popular location for rafting and trekking.

See also

Sources
  • Bogner, Franz X. (2009). Allgäu und Iller aus der Luft. Theiss-Verlag 2009. ISBN 978-3-8062-2236-4.
  • Kettemann, Otto and Winkler, Ursula (ed.): Die Iller, 2000, ISBN 3-931915-05-0 (2nd, expanded edition)
  • Nowotny, Peter (1999). Die Iller und ihr Tal, 1999, Verlag Eberl, ISBN 3-920269-08-X

References
  1. Complete table of the Bavarian Waterbody Register by the Bavarian State Office for the Environment (xls, 10.3 MB)
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