Ill (Vorarlberg)
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Ill | |
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Physical characteristics | |
Source | |
• elevation | 2,240 m (7,350 ft) |
Mouth | |
• elevation | 1,811 m (5,942 ft) |
Length | 72 km (45 mi) |
Basin features | |
Progression | Rhine → North Sea |
River system | Rhine |
The Ill (all capitals: ILL) is a 72 km long tributary of the Rhine 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.