4.2
(81)
936
riders
67
rides
Mountain biking around Saint-Martin-Sur-Oust features a landscape shaped by waterways, including canals and rivers like the Aff, alongside agricultural fields and scattered woodlands. The terrain is generally gentle, with routes often following towpaths or quiet country roads, though some trails include moderate climbs. This region offers a mix of natural scenery and historical points of interest, such as ancient megalithic sites.
Last updated: May 23, 2026
4.1
(11)
45
riders
34.8km
02:40
370m
370m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
18
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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15
riders
39.1km
03:04
480m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
11
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.0
(1)
8
riders
31.4km
02:21
330m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Absolutely charming town, lots of little corners with beautiful things. Definitely recommend stopping and enjoying.
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A lock keeper and his dream of a little paradise...
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... and we almost drove past. The medieval town is worth visiting twice! The buildings have great architecture and there are plenty of restaurants.
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That would be the climbing park for my grandchildren - in a great environment - simply fantastic.
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It is worth stopping here for a moment and enjoying the beautiful view. A charming little lock surrounded by well-kept greenery and flowers.
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It's really worth visiting! Beautifully renovated and maintained houses from the 15th and 16th century create an amazing atmosphere of a truly historic village. True wonders of ancient architecture.
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From the road bridge you can enjoy the view of the course of the Aff, its weir and its footbridge. The bucolic setting invites you to stroll.
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Unmissable due to its geographical location, highlighted even more during the end-of-year celebrations.
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There are over 60 mountain bike trails in the Saint-Martin-Sur-Oust region. These routes offer a diverse range of experiences, from gentle rides along canals to more challenging trails with moderate elevation changes through woodlands.
Yes, Saint-Martin-Sur-Oust offers a good selection of easy mountain bike trails, with 27 routes specifically graded as easy. These often follow gentle canal towpaths or quiet country roads, making them ideal for beginners or family outings. An example is the Malestroit Lock – Historic centre of Malestroit loop from Saint-Martin-sur-Oust, which is 33.6 km long.
The terrain around Saint-Martin-Sur-Oust is generally gentle, characterized by flat towpaths along canals and rivers like the Aff, quiet agricultural roads, and some sections through scattered woodlands. While many routes are relatively flat, some do include moderate climbs, offering a varied experience.
While the region is known for its gentle terrain, there are a few more challenging options. There are 3 routes graded as difficult, and 36 routes graded as moderate, which often feature more significant elevation changes or varied surfaces. For a moderate challenge, consider the Allée couverte de Beaumont loop from Forêt communale du Houssa, which includes 476 meters of ascent over 39.1 km.
Trail distances vary, but many popular routes are between 30 km and 45 km. For example, the Canal Boats and Lock Café loop from Peillac is 36.5 km with 181 meters of elevation gain. Elevation changes are generally moderate, with many routes featuring under 200 meters of ascent, though some can reach up to 480 meters.
The region offers a mix of natural beauty and historical points of interest. You can cycle past ancient megalithic sites, explore the Historic centre of Malestroit, or enjoy the scenic Towpath on the Nantes-Brest canal. Other notable attractions include the Yves Rocher House in La Gacilly and the Mills of Île Notre-Dame in Malestroit.
Yes, many of the mountain bike trails around Saint-Martin-Sur-Oust are designed as loops, allowing you to start and finish at the same point. Examples include the View of the Aff footbridge – Bridge over the Aff in La Gacilly loop from Peillac and the Dolmen of the Sprites loop from Les Fougerêts.
The region is generally pleasant for mountain biking from spring through autumn. Spring brings blooming landscapes, while summer offers warm weather ideal for longer rides. Autumn provides beautiful foliage and cooler temperatures. Winter riding is possible, but conditions may be wetter and some paths could be muddy.
The mountain bike trails in Saint-Martin-Sur-Oust are highly rated by the komoot community, with an average score of 4.1 stars from over 100 reviews. Riders often praise the scenic canal routes, the peaceful rural atmosphere, and the variety of trails suitable for different skill levels.
While the terrain is generally gentle, routes often follow river valleys and canal banks, providing picturesque views of the waterways and surrounding countryside. The View of the Aff footbridge – Bridge over the Aff in La Gacilly loop from Peillac, for instance, highlights a specific scenic point along the Aff river.
The duration of mountain bike trails varies depending on their length and your pace. Many routes, such as the 31 km Dolmen of the Sprites loop from Les Fougerêts, can be completed in about 2 to 3 hours. Longer routes, like the 43 km View of the Aff footbridge – Bridge over the Aff in La Gacilly loop from Peillac, might take over 3 hours.


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