Info point Viamala

Das einstige Ende des Lüschersee

Abb. 1 Ehemaliger Stollenausgang mit Einlauf in Lüschbach
Abb. 2 Aufbau Stollen 1910 (Romegialli, G & M. (2012). Das Ende des Lüschersees. Desertina, Chur, S.95)

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Abb. 3 heutiges Stollengebäude

The natural mountain lake was drained by an artificial tunnel (Fig. 2) due to an assumed connection between the lake and the landslides in 1910,

Das einstige Ende des Lüschersee


The water was drained
by a tunnel
The emptying of the lake was to build a tunnel at the height of the new lake level to near the shoreline of the water. In addition, a shaft with sufficient distance to the lake shore and trench between the shaft and the lake was to be built, which could then drain the water from the lake via the tunnel (Fig. 2). 

In order to prevent the risk of erosion, both tunnels and vertical shafts as well as the trench to be excavated to the lake have been solidly built with wood. Despite inaccurate and dangerous construction work, the construction of the tunnel succeeded and the water of the lake could be discharged (Fig. 1). 

Today's tunnel after the re-damming of the lake
The new water pipe was laid through the former tunnel (Fig. 3). The new pipe (Fig. 4) draws the water required for technical snowmaking in winter.

Some concrete rings of the former tunnel will soon be set up for visitors (Fig. 5).


Responsible for this content Viamala Tourismus.
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