4.6
(320)
1,861
riders
47
rides
Mountain biking around Au (SG) offers diverse landscapes, from the flat plains of the Rhine Valley to the foothills of the Alpstein massif. The region, situated in the Canton of St. Gallen, Switzerland, features varied terrain suitable for different skill levels, including routes along the Old Rhine and those with significant elevation gains. This area is characterized by its proximity to Lake Constance and Lake Walen, providing a mix of waterside paths and mountain backdrops.
Last updated: May 7, 2026
4.8
(50)
206
riders
33.1km
01:43
40m
40m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(17)
132
riders
26.0km
02:25
750m
750m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.8
(16)
74
riders
32.4km
02:51
740m
740m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(23)
81
riders
25.3km
02:06
720m
720m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(12)
82
riders
34.2km
01:58
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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green border crossing, no barrier etc
2
0
Great cycling path - very well maintained, and in good condition. It is very popular, and full of people, especially on warm days however.
3
0
Shady cycle path past various bodies of water.
0
0
Great to drive, no roads and cars but a bit monotonous.
2
0
cozy idyll with a quiet location in the middle of nature.
1
0
Also a very beautiful area for hiking on the old Rhine.
3
0
Gravel was once mined here for the highway. Now it has been transformed into a wonderful local recreation area.
5
0
There are over 45 mountain bike trails around Au (SG), offering a diverse range of options. This includes 10 easy routes, 23 moderate routes, and 15 difficult routes, catering to various skill levels and fitness requirements.
The terrain around Au (SG) is quite varied. You'll find everything from flat paths along the Rhine Valley and lakeshores, like the Bruggerloch Lake – along the Old Rhine loop from Au SG, to challenging climbs in the foothills of the Alpstein massif. Routes can feature significant elevation gains, with some difficult trails ascending over 700 meters.
Yes, Au (SG) offers several family-friendly mountain bike trails, particularly those along the flatter sections of the Rhine Valley. These routes often follow the Old Rhine or loop around lakes, providing easy riding suitable for families. An example is the Höchst Harbor – Polderdamm Path to Gaissau loop from Heerbrugg, which is an easy, mostly flat route.
Many trails in the Au (SG) region are suitable for dogs, especially the less technical and flatter routes. However, it's always recommended to check specific trail regulations and be mindful of other users and local wildlife. Ensure your dog is well-behaved and kept on a leash where required.
The region offers stunning natural features and viewpoints. You can enjoy panoramic views of the Rhine Valley and the Alpstein mountains from trails like the View of the Rhine Valley – St. Anton Viewpoint loop from Heerbrugg. Other highlights include the Karren Viewing Platform, the Kapf summit cross, and the Rhine Delta Nature Reserve near Lake Constance.
Yes, the region's proximity to Lake Constance means some routes, particularly those in the Rhine Valley, offer views towards the lake. While Lake Walen is further south, the diverse geography of St. Gallen ensures that many trails provide scenic backdrops of various lakes and rivers, including the Rhine itself.
The mountain bike trails around Au (SG) are highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. More than 1800 mountain bikers have explored the area, often praising the diverse landscapes, from the flat Rhine Valley paths to the challenging climbs with panoramic views.
Yes, many of the mountain bike routes in Au (SG) are designed as circular loops, allowing you to start and end at the same point. Examples include the View of the Rhine Valley – View of the Alpstein loop from Heerbrugg and the View of the Rhine Valley – St. Anton Viewpoint loop from Au SG, which offer varied distances and difficulties.
The best time for mountain biking in Au (SG) is generally from spring through autumn. During these seasons, the weather is more favorable, and trails are typically clear of snow, especially in the lower elevations of the Rhine Valley. Higher alpine routes might be accessible later in spring and earlier in autumn.
Generally, no specific permits are required for mountain biking on designated trails in the Au (SG) area. However, it's always advisable to respect local signage, private property, and any specific regulations that might apply to certain protected areas or nature reserves.
Au (SG) and the surrounding towns in the Rhine Valley offer various cafes and restaurants where you can refuel. For example, the Restaurant St. Anton, Oberegg is located near some of the trails and offers a convenient stop for refreshments.


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