Glenner

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Glenner
Romansh: Glogn
Glenner near Praden above Ilanz

Glenner near Praden above Ilanz

Data
Water code CH : 292
location Graubünden , Switzerland
River system Rhine
Drain over Vorderrhein  → Rhine  → North Sea
source slightly below the Piz la Capiala
46 ° 34 '53 "  N , 9 ° 3' 48"  O
Source height approx.  2615  m above sea level M.
muzzle near Ilanz in the Vorderrhein Coordinates: 46 ° 46 '37 "  N , 9 ° 12' 46"  E ; CH1903:  735 484  /  182172 46 ° 46 '37 "  N , 9 ° 12' 46"  O
Mouth height 688  m above sea level M.
Height difference approx. 1927 m
Bottom slope approx. 62 ‰
length 31 km
Catchment area 382.6 km²
Discharge at the Castrisch
A Eo gauge : 381 km²
Location: 400 m above the mouth 		NNQ (2005)
MNQ 1989–2016
MQ 1989–2016
Mq 1989–2016
 MHQ 1989–2016
HHQ (1999) 		440 l / s
5.04 m³ / s
8.88 m³ / s
23.3 l / (s km²)
 13.7 m³ / s
379 m³ / s
Left tributaries Aua da Darlun, Aua da Blengias, Aua Diesrut, Aua da Cavel, Degenbach
Right tributaries Aua da Serenastga, Valser Rhein , Val Uastg, Val da Pitasch, Rieinbach
Small towns Ilanz
Communities Lumnezia
Navigable with kayak, lower section
Glenner (Switzerland)
source
source
muzzle
muzzle
Source and mouth of the Glenner

The Glenner (Rhaeto-Romanic: Glogn ) is by far the largest tributary of the Vorderrhein and runs in the Swiss canton of Graubünden . Glenner was also the name of a district of this canton that existed until 2001, the area of ​​which was administratively divided into the Grisons Oberland region of Surselva from 2016 .

course

The wild river has its source near the border with the canton of Ticino . Here it is surrounded by mountains more than 3100 m high ( Piz Terri , 3149 m) and then flows through the Val Lumnezia . In the upper reaches, the river has cut a deep gorge that has black slate in a few places. At Suraua , the Glenner takes on its most important tributary, the Valser Rhine , which is significantly larger in size and length , and flows into the Vorderrhein after a good 10 kilometers at Ilanz . Here it has an average water flow of almost 9 m³ / s; During the snowmelt and after rainfall, the river usually has dark gray water.

bridges

10 road bridges, 7 pedestrian bridges and 1 railway bridge cross the Glenner.

photos

  • Kayak trip near Pitasch

  • Galleries on Valserstrasse

  • Glenner flows into the Vorderrhein

  • Same confluence, looking west

literature

Web links

Commons : Glenner  - collection of images, videos and audio files

Individual evidence

  1. ↑ a b Geoserver of the Swiss Federal Administration ( information )
  2. ↑ Evaluations of the water network. (XLSX) FOEN , December 2013, accessed on August 9, 2017 (listing of Swiss rivers> 30km).
  3. ↑ Modeled mean annual discharge. In: Topographical catchment areas of Swiss waters: sub-catchment areas 2 km². Retrieved May 30, 2019 .
  4. ↑ Castrisch measuring station 1989–2016 (PDF) Federal Office for the Environment FOEN