Ill (Vorarlberg)
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Ill | |
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Location | |
Country | Austria |
State | Vorarlberg |
Physical characteristics | |
Source | |
• coordinates | 46°52′9″N 10°6′32″E / 46.86917°N 10.10889°E |
• elevation | 2,240 m (7,350 ft) |
Mouth | |
• coordinates | 47°17′57″N 9°33′31″E / 47.29917°N 9.55861°E |
• elevation | 1,811 m (5,942 ft) |
Length | 72 km (45 mi) |
Basin features | |
Progression | Rhine→ North Sea |
The Ill (all capitals: ILL) is a 72-kilometre-long (45 mi) tributary of the Rhine in the western Austrian state 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.