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Hornberg Sediment Trap near Höfen

Hornberg Sediment Trap near Höfen

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Hornberg Sediment Trap near Höfen

Recommended by 102 mountain bikers out of 108

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Location: Höfen, Reutte, Tyrol, Austria

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Best Mountain Biking Routes to Hornberg Sediment Trap near Höfen

4.7

(26)

riders

1. View of the Lech River – Lech Bridge near Weißenbach loop from Weißenbach am Lech

18.1km

00:57

70m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

5.0

(2)

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2. Lech Cycle Path – View of Urisee and Reutte loop from Weißenbach am Lech

31.6km

02:23

640m

Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Intermediate

5.0

(7)

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3. Old Gaicht Pass – Old Gaicht Pass loop from Reutte in Tirol

27.9km

01:58

360m

Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Intermediate

Tips

breddy

September 8, 2021

By reducing the gradient (from 0.5% to 0.3%), the Lech in the Reutte basin allows a lot of the gravel it carries to fall into the riverbed. This reduces the drainage profile and puts human settlements here at immediate risk. A project was developed in which the Lech construction section in the Höfen area is to be converted for controlled bedload deposition and removal. 50% of the bedload will be deposited in a specially designed section of the channel, the bedload trap, during a bed-forming runoff (147m³/s) and 80% during a 100-year flood event (990 m³/s). At the same time, a new river section is being built in this area, parallel to the bedload deposition basin. This new channel, the middle water channel, ensures the still necessary but reduced transport of bedload into the downstream section and bypasses the area of bedload removal that is ecologically affected by bedload management. This means that the ecological continuity of the watercourse is maintained, and at the same time this central water channel is a newly created habitat.
Construction period: 2012 – 2017
Construction costs: €6.9 million.

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Veloholic

February 15, 2022

The bedload trap was first developed in a model test at the Institute for Hydraulic Engineering and Hydrometric Testing in Vienna and then implemented as a detailed project. After the flood disaster in 2005, the detailed project was revised again and adapted to the higher design water quantities. When the Lech has normal water, the majority of the water now flows in the new bypass channel. The new channel ensures reduced bed load transport and the ecological continuity of the water. The more water the Lech carries, the more water remains in the old river bed and from there the water, along with gravel and rubble, can flow over a ramp into a long sedimentation basin. The less gravel there is in the riverbed, the more space there is for the water - i.e. more protection against flooding.

The construction work, which was carried out by the Tyrol Federal Hydraulic Engineering Administration, was completed in just four years. Thanks to perfect construction management, costs were also reduced by almost 20 percent. The total construction costs amount to around 4.8 million euros, with 85 percent of this being borne by the federal government and the remaining 15 percent by the municipalities of Ehenbichl, Höfen, Lechaschau, Pflach and Reutte.

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Elevation 870 m

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Tuesday 11 November

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Max wind speed: 3.0 km/h

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Location: Höfen, Reutte, Tyrol, Austria

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Hornberg Sediment Trap near Höfen

1. View of the Lech River – Lech Bridge near Weißenbach loop from Weißenbach am Lech

2. Lech Cycle Path – View of Urisee and Reutte loop from Weißenbach am Lech

3. Old Gaicht Pass – Old Gaicht Pass loop from Reutte in Tirol

Other Popular Places to Check Out

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