The Ill (all capitals: ILL) is a 72-kilometre-long (45 mi) tributary of the Rhine in the western Austrian state of Vorarlberg.

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You can help expand this article with text translated from the corresponding article in German. (April 2013) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,155 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Ill (Vorarlberg)]]; see its history for attribution. You may also add the template {{Translated|de|Ill (Vorarlberg)}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Location, Country ...

Ill
The Ill near Gisingen [de; ru; uz] (district of Feldkirch)
Location
Country	Austria
State	Vorarlberg
Physical characteristics
Source
• coordinates	46°52′9″N 10°6′32″E
• elevation	2,240 m (7,350 ft)
Mouth
• coordinates	47°17′57″N 9°33′31″E
• elevation	1,811 m (5,942 ft)
Length	72 km (45 mi)
Basin features
Progression	Rhine→ North Sea

Close

It flows from the northern slopes of the Silvretta mountain range and then runs north-west through Vorarlberg. The Ill passes through the Montafon and Walgau [als; de; fr; nl] valleys and the town Feldkirch. It joins the river Rhine a few kilometers northwest of Feldkirch ("Illspitz"), at the border with Switzerland. The Ill has several dams with hydroelectric power stations.

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