4.3
(57)
1,402
riders
76
rides
No traffic road cycling routes around Saint-Gildas-Des-Bois, located in the Loire-Atlantique department of western France, offer a diverse landscape for cyclists. The region features a mix of paved surfaces and varied terrain, including dedicated Greenways. Cyclists can explore paths along the Nantes-Brest Canal and the Vilaine River, or venture into the tranquil Bernugat Forest. The area is also characterized by its proximity to the Brière Natural Regional Park and coastal paths.
Last updated: May 23, 2026
27
riders
106km
04:52
540m
540m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
19
riders
46.7km
01:56
270m
270m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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9
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.5
(2)
8
riders
42.7km
01:55
170m
170m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
7
riders
42.2km
01:48
190m
190m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Saint-Gildas-Des-Bois
Built in the 14th century and rebuilt in the 19th century, the Château de la Bretesche stands out for its privileged location on the water's edge. Seeing it suddenly appear as you cycle along the D2 is a splendid sight.
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I really didn't understand how to get to the dolmen. The path that was supposed to go there was blocked off. I was able to take a photo over the hedge of the field next door, but it was still very disappointing.
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Contrary to what is written on the notice, we did the circuit indicated. Admittedly the domain is private but access is authorized as long as you respect the place. The castle is beautiful and the courtyard is accessible. The very pleasant course which gives different views of the castle....
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Former residence of the Barons of La Roche Bernard and center of Protestantism. The castle impresses with its romantic and fairytale side. Only the courtyard is open to the public (the interior of the castle is not accessible).
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The Pont de la Guesne is one of the many bridges that span the rivers and canals that branch out from the magnificent Marais de Brière. On it, you find the red and white marking of the GR 3.
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Crossac is a small village known for its surrounding menhirs, such as the Barbière dolmen or the Bois Hoël menhir. The town itself has small shops of basic necessities (bakery, delicatessen, pharmacy). Gateway to the Brière, the village is also crossed by the famous GR 3.
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Much of the hike is on a busy road. Impossible to do part of the hike which passes in a private domain
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Beautiful dolmen, easily accessible from the small path through the hedges.
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There are over 75 no traffic road cycling routes around Saint-Gildas-Des-Bois, offering a wide variety of options for cyclists looking to explore the region without heavy vehicle traffic.
The majority of no traffic road cycling routes around Saint-Gildas-Des-Bois are considered easy or moderate. You'll find 36 easy routes and 39 moderate routes, with only a couple of more challenging options, making the area accessible for various fitness levels.
Yes, many of the no traffic road cycling routes in the area are circular, allowing you to start and end at the same point. For example, the Crossac – Chapelle Saint-Lomer loop from Sainte-Anne-sur-Brivet is a popular easy option, or the Old Port of La Roche-Bernard – Bretesche Castle loop from Missillac for a moderate challenge.
The routes often feature picturesque natural landscapes. You can cycle along sections of the stunning Nantes-Brest Canal, known for its vegetation and meandering river, or follow paths bordering the Vilaine River. The Bernugat Forest, with its tranquil pine trees and the striking blue waters of the Bernugat quarry, also offers unique scenery.
Yes, several routes pass by notable landmarks. You might encounter the romantic Bretesche Castle, a 14th-century structure rebuilt in the 19th century, which is a splendid sight at the water's edge. Another point of interest is the Saint-Clair Oratory, a modern structure with historical significance along the Nantes-Brest Canal.
Absolutely. The region offers several scenic spots. For instance, you can find a beautiful View of the Vilaine, providing expansive vistas of the river and surrounding landscape, perfect for a short break during your ride.
Yes, there are many easy routes ideal for beginners or those looking for a relaxed ride. An example is the Pontchâteau swimming pool – Chapelle Saint-Lomer loop from Saint-Gildas-des-Bois, which covers about 30 km with minimal elevation gain.
While most routes are easy to moderate, there are a few options for more experienced cyclists. The Old Port of La Roche-Bernard – Bretesche Castle loop from Missillac, for example, is a moderate route spanning over 56 km with more significant elevation changes, offering a good workout.
The area is highly rated by the komoot community, with an average score of 4.04 stars. Reviewers often praise the diverse landscapes, the tranquility of the routes, and the opportunity to explore natural features like the Nantes-Brest Canal and the Bernugat Forest on well-maintained paths away from traffic.
Yes, parking is generally available in and around Saint-Gildas-Des-Bois and the starting points of many routes. As the region is popular for cycling, local towns and villages often provide designated parking areas, especially near popular trailheads or points of interest.
The spring and summer months are generally ideal for road cycling in Saint-Gildas-Des-Bois. The weather is typically pleasant, and the natural landscapes, such as the Nantes-Brest Canal and Bernugat Forest, are at their most vibrant. Autumn can also be beautiful with changing foliage, though cooler temperatures might require more layers.
Many of the easy routes are suitable for families, especially those utilizing 'Voies Vertes' (Greenways) which are often former railway lines, providing safe and flat paths. Routes with lower distances and minimal elevation, such as the Bretesche Castle – Chapelle Saint-Lomer loop from Sainte-Anne-sur-Brivet, are great options for a family outing.


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