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The Illhorn is a mountain of the Swiss Pennine Alps, overlooking Chandolin in the canton of Valais. With a height of 2,717 metres above sea level, it is the highest point of the Illgraben valley.

Illhorn
View from the Illsee (east side)
Highest point
Elevation2,717 m (8,914 ft)
Prominence235 m (771 ft)[1]
Coordinates46°15′45.9″N 7°36′58.4″E
Geography
Illhorn
Location in Switzerland
LocationValais, Switzerland
Parent rangePennine Alps

Illgraben debris flows


The Illgraben catchment extends from the summit of the Illhorn to the Rhone at an elevation of 610m, and experiences debris flows and mud slides several times annually.[2][3] The largest recorded debris flow in the valley occurred in June 1961, and had a volume of several hundred thousand cubic metres. A warning system gives alert signals 5–15 minutes before the arrival of debris flows at channel crossings.[4] The area is a popular hiking spot and these geomorphological processes are visible most years.[5]

Illhorn seen from west
Illhorn seen from west

References


  1. Retrieved from the Swisstopo topographic maps. The key col is the Illpass (2,482 m).
  2. Berger, C., McArdell, B. W., and Schlunegger, F. (2011), Direct measurement of channel erosion by debris flows, Illgraben, Switzerland, J. Geophys. Res., 116, F01002, doi:10.1029/2010JF001722.
  3. http://www.quanterra.org/guide/guide1_16.htm
  4. Badoux, A., Graf, C., Rhyner, J. et al. A debris-flow alarm system for the Alpine Illgraben catchment: design and performance. Nat Hazards 49, 517–539 (2009). https://doi.org/10.1007/s11069-008-9303-x
  5. "Hiking over the Bhutan Bridge to the Illgraben".




На других языках


[de] Illhorn

Das Illhorn ist ein Berg oberhalb des Ferienorts Chandolin im Kanton Wallis, Schweiz. Der Gipfel mit einer Höhe von 2.716 m ü. M. ist der nördlichste Berg der Gebirgskette von der Les Diablons über die Bella Tola zum Illhorn, der das Val d’Anniviers vom Turtmanntal trennt und auch die Sprachgrenze bildet. Im Süden des Illhorns liegt der kleine Illstausee. Das Illhorn ist nur rund 7 Kilometer von der fast 2.200 Meter tiefer gelegenen Stadt Sierre entfernt.
- [en] Illhorn

[fr] Illhorn

L'Illhorn est un sommet culminant à 2 716 m au-dessus du village de Chandolin dans le canton du Valais, en Suisse.



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