Ötztaler Ache

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Ötztaler Ache
Oetztaler Ache bij Sautens.jpg
Physical characteristics
 - locationÖtztal Alps
 - location
 - coordinates
47°13′56″N 10°50′18″E / 47.2322°N 10.8383°E / 47.2322; 10.8383Coordinates: 47°13′56″N 10°50′18″E / 47.2322°N 10.8383°E / 47.2322; 10.8383
Length66.5 km (41.3 mi) [1]
Basin size893 km2 (345 sq mi) [1]
Basin features
ProgressionInnDanubeBlack Sea

The Ötztaler Ache is a right tributary of the Inn in the district of Imst, Tyrol, Austria. It flows through the Ötztal, a southern side valley of the Inntal. Including its source rivers Venter Ache and Rofenache, it is 66.5 kilometres (41.3 mi) long. The Rofenache is the runoff of the Hintereisferner, a glacier at the foot of the Weißkugel, Ötztal Alps. At Vent it takes up the Niedertalbach and changes its name to Venter Ache. At the confluence with the Gurgler Ache in Zwieselstein the Ötztaler Ache proper is formed. It flows through Sölden, Längenfeld, Umhausen and Oetz before joining the river Inn 8 kilometres (5.0 mi) east of Imst. The river is one of the bigger tributaries.