Ötztaler Ache

In Sautens

Template: Infobox River / Obsolete

The Ötztal Ache is a right tributary of the Inn in the Ötztal, Tyrol with a length of about 35 km.

Word origin

The Ötztal Ache was the first time in 1259 ( called flow Ez ') as fluvius dictus Ez mentioned.

Location, landscape and run

One of the biggest and most water tributaries of the Inn at arises Zwieselstein ( Sölden ) by the confluence of the Venter Ache and Ache Gurgler. Between the Haimingerberger district Ötztal-Bahnhof Roppen and flows into the river in the Inn.

The Ache has a catchment area of 894 km ², which makes up the eastern edge and the core area of the Ötztal Alps and the entire western part of the Stubai Alps, with an average height of about 2400 m and a share of the glaciers of the total area of 14%. Typical of this is the noticeable increase in the outflow until the late spring (May / June) with a short and concentrated outflow activity in midsummer and a sharp drop in water levels in the beginning of autumn. The average discharge is at level Brunaupark, 2 km upstream of the mouth, 31.3 m³ / s, which corresponds to a runoff of 37.5 l / s · km ². The runoff maximum in July is at level Brunaupark more than seventeen times the minimum in February, at the level Tumpen almost twenty times.

Mean monthly discharges of the Ötztal Ache ( in m³ / s) at the level Brunaupark Survey period 1991-2009, source:

The water-rich and stormy Ötztal Ache, guide over more than 40 bridges, has frequently devastated the valley, which elaborate obstruction measures made ​​necessary. Significant Achstürze lie south of Oetz between Habichen Tumpen (municipality Umhausen ).

Important tributaries

Headwater streams:

• The Gurgler Ache (length 16 km) originates Gurgler Furthermore, and flows through the Gurglertal, a well-known ski resort ( main village Obergurgl ).
• The Venter Ache (length 13 km) comes from the core area of the Ötztal Alps from the rear black and white ball. It is regarded as one of the most valuable wild rivers Tyrol. The whitewater paddlers and is popular with rafters.

Rights inflows:

• South of Sölden opens the Windache from the Windachtal.
• In the Extension Length field Fischbach leads from the Val di Sole in the Ache. It often causes landslides and floods.
• In Umhausen Horlachbach flowing through the Horlachtal and the hamlet of Lower Thai, and with the known 150 meters high Stuibenfall opens. The Horlachbach also feeds the remote reservoir Längental Kraftwerksgruppe Silz Kühtai.
• North of Oetz flows Nederbach or Stuibenbach to the Nedertal at Kühtai. Shortly before the valley he breaks through a rocky gorge with the Stuibenfall (not to be confused with the much larger at Umhausen ).

Left inflows:

• In Sölden Rettenbachferner opens in the same district from Rettenbachtal and is fed by, inter alia Rettenbachferner.
• South of Huben in the community length field opens the Pollesbach from a wild, inaccessible gorge.
• Also in the congregation joins the Lehnbach with the district Lehn of Innerbergalm with the remarkable 110 -meter-high waterfall Lehner.
• North of Umhausen opens the lyre stream that flows through a gorge-like, wooded valley.
• The Tumpenbach in the district Tumpen can boast several interesting waterfalls just before its mouth.

Sports

The Ötztal Ache and its tributaries offer various opportunities for sports activities, such as rafting, canoeing, canyoning, or fishes.