| Iller | |
|---|---|
 Origin of the Iller (Photo from an aircraft) | |
 | |
| Location | |
| Country | Germany |
| States | Bavaria andBaden-Württemberg |
| Physical characteristics | |
| Source | |
| • location | Northern Limestone Alps |
| Mouth | |
• location | Danube |
• coordinates | 48°22′53″N9°58′23″E / 48.38139°N 9.97306°E /48.38139; 9.97306 |
| Length | 145.9 km (90.7 mi)[1] |
| Basin size | 2,147 km2 (829 sq mi)[1] |
| Discharge | |
| • average | 90 m3/s (3,200 cu ft/s) |
| Basin features | |
| Progression | Danube→Black Sea |
TheIller (German:[ˈɪlɐ]ⓘ; ancient nameIlargus) is a river ofBavaria andBaden-Württemberg inGermany. It is a righttributary of theDanube, 146 kilometres (91 mi) long.
It is formed at the confluence of the riversBreitach,Stillach andTrettach nearOberstdorf in theAllgäu region of theAlps, close to theAustrian border. From there it runs northwards, passing the towns ofSonthofen,Immenstadt, andKempten.
BetweenLautrach nearMemmingen andUlm 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) atSenden, a short distance upstream from the Danube. The river is used for the production ofhydroelectricity via eight power stations with a total net capacity of 51MW (1998).
A bicycle route follows the Iller, which is also a popular location for rafting and trekking.
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