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Short, steep hollow way – Aachtopf (Aach Spring) loop from Eigeltingen

Short, steep hollow way – Aachtopf (Aach Spring) loop from Eigeltingen

Moderate

riders

Short, steep hollow way – Aachtopf (Aach Spring) loop from Eigeltingen

01:29

20.5km

350m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 21, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 14.1 km for 3 m

Waypoints

Start point

Bus stop

Get Directions

2.58 km

Lochmühle — hotel and beer garden

Highlight • Restaurant

Super nice place, lots of animals roaming freely, a great beer garden and beautiful hiking trails or trails for biking.

Translated by Google •

Tip by

3.18 km

View of the Alps from Panoramaweg

Highlight • Viewpoint

7.30 km

Scenic route between Honstetten and Engen

Highlight • Trail

Long driveway, it costs a lot of energy

Translated by Google •

Tip by

9.08 km

Aachtopf - Source of the Hegau (Radolfzell) Aach

Highlight • Natural Monument

The Aachtopf, also known as Aachquelle, near Aach in Baden-Württemberg, is Germany's most water-rich karst spring. The Radolfzeller Aach (also Hegauer Aach) originates from the spring, which flows into Lake Constance (Bodensee) after 32 kilometers near Radolfzell. The water emerging from the spring predominantly comes from the Danube sink (Donauversickerung). The spring pool is about 80 meters long and up to 30 meters wide.

Around the Aachtopf, you can have a good picnic; there is also a small restaurant, although it is not always open.

Showing Translation

Tip by

14.1 km

Aachtopf (Aach Spring)

Highlight • Natural Monument

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.

Translated by Google •

Tip by

20.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.3 km

5.52 km

2.53 km

139 m

< 100 m

Surfaces

8.48 km

7.60 km

2.93 km

1.19 km

215 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (610 m)

Lowest point (480 m)

Weather

Tuesday 28 July

35°C

13°C

-- %

Additional weather tips

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Short, steep hollow way – Aachtopf (Aach Spring) loop from Eigeltingen

Lochmühle — hotel and beer garden

View of the Alps from Panoramaweg

Scenic route between Honstetten and Engen

Wasserburger Valley