4.3
(196)
1,034
hikers
94
hikes
Hiking around Sixt-Sur-Aff offers routes through the tranquil, wooded landscapes of the Ille-et-Vilaine department in Brittany, France. The region is characterized by the valley of the Aff River, featuring lush green valleys and peaceful, wooded reliefs. Proximity to the legendary Brocéliande Forest expands the hiking opportunities into dense woodlands, and visible granite outcrops add varied topography to some trails.
Last updated: October 5, 2026
4.5
(24)
108
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.5
(4)
19
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.4
(5)
14
hikers
13.0km
03:34
210m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
31
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
26
hikers
13.2km
03:31
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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The cairn known as "ChâteauBû" in Saint-Just is an ancient megalithic site comprising a passage grave and a 46-meter-long stone tumulus. Excavations have revealed Bronze Age burials, and four quartz menhirs stand atop the tumulus.
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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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About 5000 years old row of stones with good explanation.
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Very beautiful megalithic site of St Just. The site has many places all more or less different very interesting by its variety.
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Hiking in Sixt-Sur-Aff primarily features tranquil, wooded landscapes and lush green valleys shaped by the Aff River. You'll find peaceful reliefs and varied terrain, including visible granite outcrops in some areas. The region's proximity to the legendary Brocéliande Forest also means opportunities for dense woodland walks.
Yes, Sixt-Sur-Aff offers a good selection of easy trails. Out of approximately 90 routes in the area, about 34 are classified as easy. An example of an easy route is the Cairn this Château Bû – Alignments du Moulin loop from Moulin de Haut, which is about 5.7 km long and takes around 1 hour 30 minutes.
Several interesting landmarks can be explored. You might encounter historical sites like the Alignments du Moulin or the Saint Nicholas of Myra Church. The area also features scenic towpaths, such as the Towpath along the Vilaine and the Towpath on the Nantes-Brest canal, which offer pleasant walking experiences.
Many of the trails in Sixt-Sur-Aff are designed as loops, offering circular walks. For instance, the Rue Saint-Vincent – View of the Aff footbridge loop from La Gacilly is a popular 7.3 km circular route through the Aff River valley.
The trails in Sixt-Sur-Aff are highly regarded by the komoot community, with an average rating of 4.2 stars from over 188 reviews. Hikers often praise the peaceful, wooded environments, the scenic river valleys, and the variety of routes available for different skill levels.
Yes, with a significant number of easy routes, Sixt-Sur-Aff offers options suitable for families. The tranquil, wooded paths and relatively gentle terrain on many trails make them enjoyable for children. Consider shorter, easy loops like the Cairn this Château Bû – Alignments du Moulin loop from Moulin de Haut for a family-friendly outing.
Generally, dogs are welcome on many hiking trails in rural areas like Sixt-Sur-Aff, especially on public footpaths. However, it's always advisable to keep them on a leash, particularly in areas with livestock or protected wildlife, and to check local signage for any specific restrictions.
Hike durations vary widely depending on the route's length and your pace. You can find shorter walks, such as the Cairn this Château Bû – Alignments du Moulin loop from Moulin de Haut, which takes about 1 hour 30 minutes. Longer moderate trails, like the Saint Nicholas of Myra Church – Rue Saint-Vincent loop from La Gacilly, can take several hours to complete.
The primary natural feature is the tranquil valley of the Aff River, which provides lush green scenery and waterside paths. You'll also encounter peaceful wooded reliefs and, in some areas, visible granite outcrops that add character to the landscape. The proximity to the Brocéliande Forest means you might experience dense, ancient woodlands.
While specific parking details for every trailhead are not always available in general guides, most rural trailheads in France have designated parking areas. For detailed information on specific routes, including potential parking spots or public transport connections, it's best to check the individual komoot Tour pages for the routes you plan to hike, as users often add such details.
Sixt-Sur-Aff offers a range of difficulties. The majority of routes are either easy (around 34 trails) or moderate (around 53 trails), making it accessible for most hikers. There are also a few more challenging routes (approximately 3 trails) for those seeking a greater adventure. The terrain is generally varied but not overly strenuous.


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