DiscoverPlaces to seeNatural MonumentsGermanyBaden-WürttembergFreiburg District
Aachtopf (Aach Spring)
DiscoverPlaces to seeNatural MonumentsGermanyBaden-WürttembergFreiburg District
Aachtopf (Aach Spring)
Highlight • Natural Monument
Aachtopf (Aach Spring)
Cycling
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(810)
Hiking
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Mountain biking
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Road cycling
4.4
(97)
Gravel riding
5.0
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Running
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(7)
Tips
Peter62
August 5, 2020
Cycling
With an average flow of approximately 8,600 liters per second, it is the most productive spring in Germany. The water originates from the Danube seepage basin in the northern part of the Aach River basin and feeds the Radolfzell Aach, which flows into Lake Constance approximately 32 kilometers between Moos and Radolfzell.
For many years, the hydropower was used for production by the Schiesser factories in Volkertshausen and Rielasingen.
For many years, the hydropower was used for production by the Schiesser factories in Volkertshausen and Rielasingen.
Translated by
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Juschu ( Jürgen & Vicky)
September 21, 2025
Hiking
The Aachquelle is the largest spring in Germany.
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Natalo
August 27, 2017
Mountain biking
Not far from Lake Constance, hidden in the small village of Aach, lies Germany's largest spring! It's not called Aachquelle, but 'Aachtopf' – although 'Topf' (pot) is a bit of an understatement for the small pond, which is crisscrossed by diverse spring currents.
On average, around 9000 liters of water bubble up from the depths to the surface here every minute (on very good days, it can even be over 20,000 liters!!!)
Anyone who wants to experience nature up close is in exactly the right place!
Please do not bathe in the 'Aachtopf'!!
spiegel.de/wissenschaft/natur/aachhoehle-erstmals-hoehlenfisch-in-europa-gefunden-a-1141659.html
On average, around 9000 liters of water bubble up from the depths to the surface here every minute (on very good days, it can even be over 20,000 liters!!!)
Anyone who wants to experience nature up close is in exactly the right place!
Please do not bathe in the 'Aachtopf'!!
spiegel.de/wissenschaft/natur/aachhoehle-erstmals-hoehlenfisch-in-europa-gefunden-a-1141659.html
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Nearby routes
Best routes near Aachtopf (Aach Spring)
Details
Informations
Elevation 480 m
Weather
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Friday 30 October
9°C
3°C
0 %
Additional weather tips
Expect light wind and shifting conditions.
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