4.4
(106)
948
riders
50
rides
Mountain biking around Sixt-Sur-Aff offers routes through varied terrain, characterized by river valleys, open countryside, and historical sites. The region features gentle elevation changes, making it suitable for different skill levels. Trails often follow the course of the Aff river or lead through rural landscapes. The area provides a mix of natural beauty and cultural points of interest for mountain bikers.
Last updated: July 4, 2026
3.8
(9)
90
riders
37.6km
03:12
450m
450m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(4)
48
riders
34.0km
02:51
380m
380m
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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4.5
(2)
41
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.6
(8)
60
riders
30.6km
02:12
280m
280m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
13
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Sacred space, Saint-Just was frequented by Neolithic people for several millennia. Our distant ancestors settled on these dry moors to form a major complex of megalithic monuments, the second most important in Brittany, after Carnac. On a route of about 6km you can discover various alignments bearing strange names often linked to a local legend. The path can be walked, run or even cycled across a moor that offers no shade or shelter. A magical and fascinating place in every respect
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It's hard to see this mill. It's overgrown with vegetation, making it almost invisible. It's a shame it's not more prominently displayed.
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Very nice hike. Please note, the indicated parking lot no longer exists, you must park near the football stadium
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Maison Yves Rocher is located in La Gacilly. Yves Rocher himself was from this picturesque village in Morbihan. There is a shop, a cafeteria and a museum. 15 minutes away is the Yves Rocher ecological spa hotel “La Grée des Landes”.
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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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The Dolmen des Tablettes dates from the Neolithic era (4500 BC). This Angevin megalith is a dolmen (funeral monument) composed of a rectangular chamber preceded by a portico entrance.
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This windmill called “de la galette” dates from the 20th century. With a corbelled construction, it once had four wooden wings and was used to grind black wheat to make the famous Breton pancake.
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Located in the town of Bain sur Oust, it is the place of the meeting of Nominoë and Conwoïon who brought the body of Saint Marcellin from Rome to the Saint Sauveur de Redon abbey. This trèviale chapel fell into ruin, the primitive Romanesque building was rebuilt from 1945
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There are over 50 mountain bike trails around Sixt-Sur-Aff, offering a variety of options for different skill levels. This includes 15 easy routes, 37 moderate routes, and a couple of more challenging trails.
Yes, Sixt-Sur-Aff offers several family-friendly mountain bike routes, particularly among the 15 easy trails available. These routes typically feature gentle elevation changes and follow scenic paths through the countryside, suitable for riders of varying ages and abilities. Look for trails with shorter distances and minimal technical sections.
The mountain bike trails around Sixt-Sur-Aff are characterized by varied terrain, including paths through river valleys, open countryside, and historical sites. You'll encounter gentle elevation changes, making many routes accessible, often following the course of the Aff river or winding through rural landscapes.
Yes, many of the mountain bike routes in Sixt-Sur-Aff are designed as loops. A popular option is the Étang du Val – Alignments du Moulin loop from Saint-Just, a moderate 25.4 km trail that takes you through varied landscapes and past significant sites.
Many trails incorporate historical sites. For instance, the Alignments du Moulin – Megaliths of Saint-Just loop from Saint-Just explores ancient megalithic sites. You can also find highlights like the Alignments du Moulin and the Saint Nicholas of Myra Church near various routes, offering cultural points of interest during your ride.
The best season for mountain biking in Sixt-Sur-Aff is typically from spring through autumn (April to October). During these months, the weather is generally mild and pleasant, and the trails are usually dry and in good condition. Summer offers longer daylight hours, while spring and autumn provide beautiful scenery with fewer crowds.
For a potentially less crowded experience, consider exploring some of the routes that venture deeper into the rural landscapes away from the more popular starting points. The Étang du Val – Canut Valley Road loop from Sixt-sur-Aff offers a scenic ride through the Canut Valley, providing a chance to discover quieter sections of the region.
The mountain bike routes in Sixt-Sur-Aff are highly rated by the komoot community, with an average score of 4.3 stars from over 100 reviews. Riders often praise the varied terrain, the mix of natural beauty and cultural points of interest, and the well-maintained paths that cater to different skill levels.
Yes, several trails provide excellent views of the Aff river. The Bridge over the Aff in La Gacilly – View of the Aff footbridge loop from La Gacilly is a moderate route specifically designed to showcase the river and its footbridges, winding through the local landscape.
The rural landscapes and river valleys around Sixt-Sur-Aff provide opportunities for wildlife spotting. Keep an eye out for local bird species, small mammals, and various flora as you ride through the natural areas. Early mornings or late afternoons often offer the best chances for sightings.
While many routes are moderate, there are a couple of more challenging options for experienced riders. For example, the Chapelle St Laurent – Saint-Marcellin Chapel loop from Renac is classified as difficult, offering a longer distance and potentially more demanding sections for those seeking a greater challenge.
Trailheads and parking are typically available near the starting points of many routes, often in or near the villages like Saint-Just, La Gacilly, Renac, or Sixt-sur-Aff itself. Specific parking information can usually be found on individual route pages on komoot, or by checking local signage upon arrival.


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