Grenchner Witi – Stork colony in Altreu loop from Grenchen Süd
Grenchner Witi – Stork colony in Altreu loop from Grenchen Süd
17
runners
Grenchner Witi – Stork colony in Altreu loop from Grenchen Süd
01:13
11.8km
30m
Running
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: May 16, 2026
Waypoints
Start point
Train Station
Get Directions
3.64 km
Grenchner Witi
Highlight • Natural Monument
The zone was established by law in 1994. It is located in an area of scenic beauty, is a migratory bird and waterfowl reserve of international importance and is home to Switzerland's hare chamber, an above-average population of hares. The largest area of this is the Grenchenwiti. The protection zone may only be used extensively for agricultural purposes. There are also conflicts of use in the area of recreational activities, which are being attempted to be resolved through regulation in the sense of a compromise (concentration of recreational use). In certain areas, the protection of nature takes priority, and attempts are being made to consistently enforce this.
The Witi landscape is originally a product of the last ice age, when the entire area was covered in ice by the Rhone glacier. When the lake receded due to warming, Lake Solothurn was formed around 12,000 years ago, the level of which was around 20 metres above today's Witi. When Lake Solothurn retreated, the Witi remained as the lake bed alongside the Aare. Until the Jura water correction, the area was a frequently flooded floodplain and swamp landscape where agriculture was only possible under difficult conditions.
Between 1980 and 1995, 97 breeding bird species were observed in the Witi, 37 of which were on the Swiss Red List of endangered species, as well as 150 migratory and winter guest species. Due to the frequent pools of water in the cultivated land, the Witi developed into the third most important wader resting place in Switzerland. It is noteworthy that the majestic osprey is also observed relatively frequently, preferably in spring, as a migrant; some of the birds even spend the night in trees along the banks of the Aare. The black stork is also an irregular migrant, although the animals occasionally and temporarily stay in the white stork enclosure of the Altreu stork settlement. The nightingale, which is notable for its beautiful song, is also a frequent breeding bird in the Altreuer Witi.
Source: Wikipedia
Translated by Google •
Tip by
5.00 km
Stork colony in Altreu
Highlight • Natural Monument
gives visitors the opportunity to delve deeper and interact with this nature and landscape.
gives information about the stork and its reintroduction in Altreu and Switzerland. A film and guided tours bring the subject closer to the visitor. undefinedAnmeldung
gives opportunity for observation of storks in their natural environment.
Free admission, donations are welcome!
Guided tours for groups and schools upon registration.
Costs for 1 hour Fr. 100.-.
(Source: infowiti.ch/index.php?id=37)
Translated by Google •
Tip by
5.42 km
Altreu-Leuzigen Ferry
Highlight • Structure
Translated by Google •
Tip by
5.49 km
Zum Grünen Affen Restaurant, Altreu
Highlight • Restaurant
Translated by Google •
Tip by
5.56 km
Witi Nature Reserve Center
Highlight • Natural Monument
Translated by Google •
Tip by
11.8 km
End point
Train Station
Way Types & Surfaces
Way Types
4.85 km
3.38 km
3.34 km
113 m
< 100 m
< 100 m
Surfaces
5.60 km
3.26 km
1.67 km
1.07 km
180 m
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Elevation
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Weather
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Tuesday 7 July
32°C
13°C
0 %
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Max wind speed: 15.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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