Grossbach (Sihl)

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Grossbach
The river flows into the Sihlsee

The river flows into the Sihlsee

Data
Water code CH : 582
location Canton of Schwyz ; Switzerland
River system Rhine
Drain over Sihl  → Limmat  → Aare  → Rhine  → North Sea
Headwaters at Butziflue
47 ° 4 ′ 3 ″  N , 8 ° 44 ′ 35 ″  E
Source height approx.  1475  m above sea level M.
muzzle in the Grossbach district near Gross in the Sihlsee Coordinates: 47 ° 6 ′ 50 ″  N , 8 ° 46 ′ 52 ″  E ; CH1903:  701 883  /  218 975 47 ° 6 '50 "  N , 8 ° 46' 52"  O
Mouth height 889  m above sea level M.
Height difference approx. 586 m
Bottom slope approx. 81 ‰
length 7.2 km
Catchment area 10.6 km²
Discharge at the A Eo estuary gauge : 10.6 km²
MQ
Mq
 		520 l / s
49.1 l / (s km²)
Communities Einsiedeln

The Grossbach is an approximately 7 kilometer long tributary of the Sihlsee in the Swiss canton of Schwyz . It flows through the Grosser Runs valley , formerly called Amselthal , in the municipality of Einsiedeln .

course

The headwaters of the Grossbach lies on the northern slope of the Butziflue at around 1475  m above sea level. M. in the area Im Stock . It is fed by countless small ditches that run through the coniferous forest . It initially flows northeast towards the valley floor, which it is at 1309  m above sea level. M. achieved.

It flows through the heavily forested valley in a north-northeast direction and passes some small Alps . At Ijenschatten the valley flattens out and the torrent enters a wide gravel plain, which serves as a debris collector. From here the Grossbach is tamed by dozens of barriers to its mouth . The stream turns to the northeast and passes Chälberweidli , Rampelensäge and Entenbach .

The Grossbach reaches the Grossbach district a little south of Gross and finally flows out at 889  m above sea level. M. left in the Sihlsee.

Catchment area

The catchment area of ​​the Grossbach extends over an area of ​​10.6 square kilometers. It consists of 64.9% wooded area, 31.1% agricultural area, 1.5% unproductive area and settlement area and 1.1% water area. The highest point is at 1608  m above sea level. M. a little below the Gschwändstock , the average height is 1233  m above sea level. M.

In the west is the catchment area of ​​the Alp and in the south that of the Minster .

Individual evidence

  1. ↑ a b c d Geoserver of the Swiss Federal Administration ( information )
  2. ↑ a b Modeled mean annual discharge. In: Topographical catchment areas of Swiss waters: sub-catchment areas 2 km². Retrieved November 5, 2016 .