4.6
(3328)
21,648
riders
75
rides
No traffic touring cycling routes around Sonthofen are set in Germany's southernmost town, characterized by diverse landscapes of river valleys, rolling hills, and pre-Alpine mountains. The region features the Iller and Ostrach rivers, which carve through the terrain, offering flat cycle paths. Higher elevations include the hilly Pre-Alps and various mountain passes, providing varied terrain for touring cyclists. Picturesque lakes such as Niedersonthofener See are also integrated into the cycling network.
Last updated: September 30, 2026
4.8
(377)
2,104
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(257)
1,127
riders
55.9km
03:44
510m
510m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(180)
683
riders
45.2km
02:57
220m
220m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(502)
2,344
riders
72.1km
05:13
280m
280m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(56)
388
riders
69.5km
05:00
1,360m
1,360m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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There are people who use the path as an everyday cycle path. Every day, in all weather. If you only cycle in the best weather, you will certainly not have any major problems with the path. If you want a change in mobility here, you also need the appropriate paths for it, suitable for everyday use, suitable for all weather, and we don't have them.
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As a Kempten resident, I must admit that I rarely ride the Iller cycle path, and when I do, only from Martinszell because only then is there some mountain view. I have never had problems with the surface. During the week, I visit the Cafe Kohlhund in Immenstadt with simple food. I then take the fantastic chocolate home with me. Unfortunately, I have no idea how it survives several days.
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Really sad, Bububaer only publishes rain pictures, best to ignore him. Worldwide many dirt roads are "muddy" in the rain and they will dry again.
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The Trettachtal offers a variety of hospitable places to stop for refreshments.
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The Oytal is a beautiful valley near Oberstdorf. It is a popular destination for hikers and cyclists and is known for its tree-lined avenues, high mountains, and the Stuibenfall.
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I live in Kempten and the Iller is definitely not wild, not in any season. I used to be a raft guide in Austria for 4 years and navigated the Sanna and the Ötztaler Ache in borderline conditions (whitewater 5). The pictures from HP show the average or boring water level (whitewater 2) during a rubber dinghy tour. I have also attached some pictures from the 1994 Rafting World Championships on the Zambezi at Victoria Falls in Zimbabwe. Of the approx. 50 teams, one participant drowned during a 2-hour training tour. I reached 8th place with a German team. Maybe Gimmi will change his text to "cozy Iller" and bububaer will end his endless rainy tours because the sun mostly shines.
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The Iller cycle path between Sonthofen and Oberstdorf is consistently well-developed, with a firm and slightly gravelly surface.
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Super tour from Sonthofen to Rottachsee a bit strenuous but could swim great in the lake.
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Sonthofen offers a wide selection of traffic-free touring cycling routes. There are over 70 routes available, with a good mix of difficulties: approximately 25 easy, 24 moderate, and 29 difficult routes, ensuring options for all skill levels.
The traffic-free routes in Sonthofen offer diverse terrain. Many follow the flat, well-signposted paths along the Iller and Ostrach river valleys, ideal for relaxed rides. For those seeking more challenge, some routes venture into the hilly Pre-Alps, featuring steady climbs and short, steep ramps through green mountain meadows. You'll find a mix of paved and well-maintained gravel paths.
The best seasons for traffic-free touring cycling in Sonthofen are spring and summer, when the weather is mild and roads are dry. Autumn also offers ideal conditions with pleasant temperatures and beautiful fall foliage. Winter can be challenging due to snow and ice, making many routes unsuitable for cycling.
Yes, the region offers several family-friendly options, particularly along the river valleys. The flat and well-maintained paths of the Iller and Ostrach rivers are perfect for families with children. These routes often pass through charming villages and offer scenic views without significant traffic concerns.
Many routes offer stunning natural attractions. You can cycle past picturesque lakes like Niedersonthofener See, or explore dramatic gorges and waterfalls. Notable highlights include the Breitach Gorge, Starzlach Gorge, and the Hinanger Waterfall. Some routes, like the Iller Cycle Path near Fischen – Stuibenfall (Oytal) loop, even take you close to the Stuibenfall in the Oytal Valley.
Generally, dogs are welcome on many of the cycling paths in Sonthofen, especially on the wider, traffic-free routes. However, it's always recommended to keep them on a leash, particularly in nature reserves or areas with livestock. Be sure to check local regulations for specific paths or protected areas.
The elevation gain varies significantly depending on the route. Flatter river valley routes, like the Illerwehr – Niedersonthofener See loop from Sonthofen, might have around 220 meters of elevation gain. More challenging routes, such as the Illerwehr – The Stag's Leap Gorge loop, can involve over 1300 meters of ascent, offering a significant workout.
Yes, many of the traffic-free touring routes around Sonthofen are designed as loops, allowing you to start and end at the same point. This is convenient for those driving to the area. Examples include the Illerwehr – Niedersonthofener See loop and the Iller Rapids – Illerwehr loop.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the stunning natural beauty, the well-maintained and clearly signposted paths, and the peaceful experience of cycling away from traffic. The diverse landscapes, from serene river valleys to challenging mountain ascents, are frequently highlighted as a major draw.
Yes, some traffic-free routes provide excellent views of the surrounding area, including Oberstdorf. For instance, the Iller Cycle Path near Fischen – View of Oberstdorf loop from Sonthofen offers panoramic vistas of the region, including the famous ski resort town.


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