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(Redirected from Ill, Austria)

The 'Ill' (all capitals: ILL) is a 72 km long tributary of the Rhine river in the western Austrian province of Vorarlberg.
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 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.