Stadtbach (Canton of Bern)

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Stadtbach
Oberlauf: Eichholzbach
Stadtbach shortly after the source, here still as Eichholzbach.

Stadtbach shortly after the source, here still as Eichholzbach.

Data
Water code CH : 1422
location Switzerland
River system Rhine
Drain over Aare  → Rhine  → North Sea
source as Eichholzbach near Landstuhl (municipality of Neuenegg )
46 ° 54 ′ 15 ″  N , 7 ° 20 ′ 16 ″  E
Source height approx.  621  m
muzzle at Langmauerweg 12 in the city ​​of Bern in the Aare Coordinates: 46 ° 57 ′ 0 ″  N , 7 ° 27 ′ 21 ″  E ; CH1903:  601 307  /  199881 46 ° 57 '0 "  N , 7 ° 27' 21"  O
Mouth height approx.  497  m
Height difference approx. 124 m
Bottom slope approx. 9.3 ‰
length 13.3 km

The city ​​stream of Bern ( Switzerland ) is a stream that was diverted into the city in the 13th century.

geography

course

The stream rises as Eichholzbach on the watershed between Sense and Aare near the hamlet of Landstuhl, which belongs to the community of Neuenegg . Far away from Bern, when the Oberwangenbach brook near Thörishaus , it is now called Stadtbach. From here it flows canalised along the A12 motorway and the railway line and takes on 13 other smaller streams. Passing Ober- and Niederwangen , it reaches Bümpliz and thus the city of Bern. There it disappears underground, channeled, but always comes back overturned or naturally back to the surface. At Bümpliz Castle , its course has been renatured. From Bethlehemstrasse it flows longer underground via Weyermannshaus and Steigerhubel to Inselspital at Loryplatz, where it comes to light again. In 2018, when the Inselpark was redesigned near the hospital, a staircase for sitting and meeting people was built down to the Stadtbach.

The diversion begins here, where it originally merged with the Sulgenbach coming from the right and flowed on a short path to the right down to the Aare. Today only the Sulgenbach flows in this natural bed - also mostly underground. At Loryplatz, the two brooks (the Sulgenbach underground) run parallel for a short distance, only about 70 meters apart.

Shortly after the start of the diversion of the city stream flows back underground and with very little gradient by lying on the north side of the railway tracks, to the main station reaching Stadtbach quarters . After turning right, in parallel under the crosswalk wave flowing, it reaches the Bubenbergplatz from which turns out he left at the Holy Spirit Church , the Swiss capital, reached and this full-length in its four main streets to the river Aare in the Nydeggbrücke crosses. During the renovation of Kram- und Gerechtigkeitsgasse , the two lower of the four main streets, in 2004 and 2005, the Stadtbach was brought to the surface again. In the lower part of Gerechtigkeitsgasse it was designed to flow upwards over a short distance. This art object is called the counterflow in the river and was chosen for the new building - as art in architecture - to upgrade the alley as a meeting zone.

Tributaries

  • Löölibach ( right ), 0.7 km
  • Haslibach ( right ), 0.6 km
  • Hälibach ( left ), 0.7 km
  • Erlebach ( right ), 0.2 km
  • Riedbach ( right ), 1.0 km, 1.11 km²
  • Moosbach ( left ), 2.6 km, 3.36 km²

history

The Stadtbach was first mentioned shortly after the city was founded in 1191. The stream originally flowed into the Sulgenbach at today's Loryplatz . Soon after the city was founded, however, it was artificially directed into the city. It never served as drinking water, but was used as a sewer. In the Middle Ages, mills were also operated by the stream. The tanners also use the water.

It flowed openly through the old town until 1890, and in 1921 it was also covered over in Kram- und Gerechtigkeitsgasse. In the 1940s, the last parts of the city stream in the old town were laid in concrete pipes, and so it was slowly being forgotten. The Weyermannshaus open-air swimming pool, the largest swimming pool in Switzerland in terms of water area, was built between 1908 and 1910. Before that, it served as a fish pond and compensation basin for the city stream.

Until 1974 the Marzilibahn was operated as a water ballast runway with the water from the Stadtbach. The first renaturation projects (Kleefeld, pedestrian zone, castle) began in Bümpliz in the 1970s. There are also plans to bring the city stream back to daylight at the former waste incineration plant in Holligen .

photos

  • Stadtbach in Bümpliz renatured

  • Stadtbach overturned in Bümpliz

  • Kramgasse with Stadtbach around 1865, behind it the Zytglogge

Web links

Commons : Stadtbach  - Collection of images, videos and audio files

Individual evidence

  1. ^ Source on the geoserver of the Swiss Federal Administration.
  2. ↑ estuary on the Geoserver the Swiss federal administration.
  3. ↑ a b c d e f g In-house measurement on swisstopo
  4. ↑ a b c The city stream of Bern on the private website wangental.jimdo.com
  5. ^ Art in architecture at the city stream
  6. ↑ The city stream and the fountains on Kramgasse ( Memento from October 13, 2013 in the Internet Archive ) Article on bern-altstadt.ch
  7. ↑ Weyermannshaus outdoor pool on the badi-info.ch website