The Wüeribach (also called the Dorfbach and Fischbach in its upper reaches) is a tributary of the
Reppisch
The Reppisch is a river in Switzerland. It rises in the Türlersee and joins the Limmat as its tributary, near the town of Dietikon. The Reppisch flows in the Säuliamt (Affoltern district), canton of Zürich, an area featuring still partially ...
, around 8 kilometres long, in the
Canton of Zürich in
Switzerland. It rises in the municipality of
Bonstetten, flows through the narrow ''Wüerital'' valley and reaches the Reppisch valley near
Birmensdorf, wo it empties, parallel to the rather smaller
Lunnerenbach, into the lower Reppisch. The Wüeribach is the longest and biggest tributary of the Reppisch and has an average flow rate of 310 L/s.
Geography
Course
The Wüeribach rises as the ''Dorfbach'' at in the forest area of ''Birch'' above Bonstetten. From here it flows initially mainly in a northwestern direction through the village of Bonstetten, much of it being canalized as it passes through. It leaves the village and runs, having been straightened out, through fields across a wide plain in a northern direction. Shortly afterwards the stream reaches the municipal boundary with
Wettswil am Albis
Wettswil am Albis is a municipality in the district of Affoltern in the canton of Zürich in Switzerland.
Geography
Wettswil am Albis (sometimes written ''Wettswill a.A.'') has an area of . Of this area, 42.3% is used for agricultural purposes ...
, where it is called the ''Fischbach''. It passes to the west of the village and collects the waters of the roughly four-kilometre-long ''Fridgraben''. It reaches the northern municipal boundary with Birmensdorf, where the stream snakes through the narrow ''Wüerital'' into the Reppisch valley. This valley was formed in the
last ice age as a meltwater gully of the Wettswiler and the Aescher Zunge of the
Reuss Glacier. The Wüeribach now reaches Birmensdorf, collects the Aescherbach from the left and finally discharges into the Reppisch at an elevation of .
Catchment
The catchment area is 14.6 km² and extends over the districts of
Affoltern and
Dietikon
Dietikon is the fifth biggest city of the canton of Zürich in Switzerland, after Zürich, Winterthur, Uster and Dübendorf. It is the capital of the same-named district of Dietikon and part of the Zürich metropolitan area.
Geography
The i ...
. 51.6% of the catchment area is used for agriculture, 24.6% is built up and 23.9% is near-natural vegetation and forest. The highest point of the catchment area is in
Islisberg, its average elevation is
In the south is the catchment of the Hofibach, which drains into the
Jonen
Jonen is a municipality in the district of Bremgarten in the canton of Aargau in Switzerland.
History
The first traces of a settlement come from an extensive burial ground from the Hallstatt period. There are remains of a Roman estate in Scha ...
; in the west is the catchment of the Aescherbach and to the east and north lies the valley of the Reppisch.
Tributaries
First- and higher-order tributaries of the ''Wüeribach'' with their length:
;Wüeribach source ()
*Strassacherbach (''left''), 1.1 km
**Bodenfeldbach (''left''), 0.8 km
*Fluechbach (''left''), 2 km
**Dornmattbach (''right''), 0.5 km
**right-hand side arm (''right''), 0.1 km
**Hirschenbach (''left''), 0.9 km
***Chäserenbach (''right''), 0.2 km
**Lüttenbergbach (''left''), 0.5 km
**Schrannenbach/Schrannenbächli (''left''), 0.3 km
*Fridgraben (''right''), 4,2 km
**Isenbach (''left''), 0.4 km
***Schladmatterbach (''left''), 0.3 km
**Schachenbach (''right''), 1.1 km
**Hofächerbach (''right''), 0.4 km
*Wettswiler West Channel (''left''), 0.7 km
*Filderenbach (''left''), 1.3 km
*Täntenbach (''left''), 1.1 km
*Cholholzbächli (''left''), 0.1 km
*Gättikerbächli (''left''), 0.2 km
*Aescherbach (''left''), 3.2 km
**Sunnebrunne (''left''), 0.1 km
**Moosbächli (''right''), 0.2 km
**Uelisweidbächli (''right''), 1 km
**Stierenwaldbach (''left''), 0.8 km
***Eichholzbach (''right''), 0.5 km
**Chürzibach (''right''), 1.5 km
**Mättlibach (''left''), 0.2 km
**Rebacherbach (''right''), 0.2 km
**Sägissenbach (''left''), 0.2 km
**Chilstigbächli (''left''), 0.2 km
;Wüeribach mouth ()
Sources
Geoinformation system of the canton of Zürich
References
{{DEFAULTSORT:Wueribach
Rivers of the canton of Zürich
1Wueribach
Rivers of Switzerland