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Bike touring routes & trails

Baden-Württemberg

Freiburg District

Old Danube Bridge, Immendingen – Danube Sinkhole loop from Immendingen Mitte

Bike touring routes & trails

Baden-Württemberg

Freiburg District

Old Danube Bridge, Immendingen – Danube Sinkhole loop from Immendingen Mitte

Easy

4.8

(13)

162

riders

Old Danube Bridge, Immendingen – Danube Sinkhole loop from Immendingen Mitte

00:47

13.1km

60m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 22, 2026

Tips

Includes a segment in which cycling is not permitted

After 5.90 km for 74 m

Waypoints

A

Start point

Train Station

Get Directions

1

240 m

Old Danube Bridge, Immendingen

Highlight • Bridge

View from the old Danube bridge. Heavy traffic in the summer months

Translated by Google •

Tip by

2

252 m

Danube Fish Pass in Immendingen

Highlight • River

Interesting

Translated by Google •

Tip by

3

1.80 km

Danube Sinkhole

Highlight • Natural Monument

On most days of the year, the Danube "disappears" completely. Due to the water-soluble limestone, an "underground river" has formed. The water flows invisibly away and reappears at the 12 km distant Aachtopf (the largest karst spring in Germany). From there it flows as Radolfzeller Aach to Lake Constance. The Danube water becomes Rhine water.

Translated by Google •

Tip by

4

1.82 km

View of the Danube

Highlight • Viewpoint

Cycle path along the Danube
Again and again

Translated by Google •

Tip by

5

2.68 km

Danube Sinkhole (Donauversickerung)

Highlight • Natural Monument

Depending on the season and rainfall, you can explore the river bed to different extents and admire "cairns" from time to time. The term infiltration is a bit misleading because the Danube does not infiltrate, i.e. the water is distributed in the ground, but flows into underground cavities and therefore, strictly speaking, represents a sinking.

Translated by Google •

Tip by

6

7.40 km

Möhringen

Highlight • Settlement

7

10.5 km

Danube Cycle Path at Immendingen

Highlight • Cycleway

Practically newly paved bike path. It doesn't get any better!

Translated by Google •

Tip by

8

11.6 km

Danube Sinkhole

Highlight • Natural Monument

The seepage point is a little further downstream. It's interesting to see how the water simply disappears underground.

Translated by Google •

Tip by

B

13.1 km

End point

Train Station

Way Types & Surfaces

Way Types

8.84 km

3.37 km

480 m

386 m

Surfaces

12.5 km

278 m

130 m

< 100 m

< 100 m

< 100 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Tuesday 28 July

33°C

13°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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