4.2
(17)
646
riders
147
rides
Road cycling routes around La Bosse-De-Bretagne traverse a landscape characterized by rolling countryside and a mix of agricultural land and wooded areas. The region features moderate elevation changes, with routes often including gentle climbs and descents. Cyclists can expect to encounter historical landmarks and natural water features, such as ponds, integrated into the routes. The terrain is suitable for road bikes, offering a balance of open roads and scenic sections.
Last updated: May 21, 2026
2
riders
93.2km
04:02
720m
720m
This moderate 57.9-mile road cycling route from Bain-de-Bretagne to Grand-Fougeray features historical sites and challenging climbs.
4.7
(3)
10
riders
81.3km
03:38
740m
740m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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15
riders
71.4km
03:03
570m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
66.3km
02:57
640m
640m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
33.2km
01:36
400m
400m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Magnificent viewpoint that is well worth the stop, which also allows you to catch your breath on the short false flat followed by a short climb again. In the opposite direction, if you don't let yourself get carried away by the descent...
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The church, which consists of a large nave and two six-bay aisles, a transept, and a three-bay choir without an ambulatory, is 65 meters long. The transept is 26.50 m long, and the naves are 17.5 m wide. The bell tower is 65 meters high without the cross. It has a set of five bells made in 1895 by the Bollée foundry in Le Mans: Saint-Nicolas (the bourdon), weighing 4027 kg, playing the A of octave 2 Anne, weighing 1552 kg, playing the D of octave 3 Marie, weighing 1067 kg, playing the M of octave 3 Joséphine-Jeanne, weighing 726 kg, playing the F sharp of octave 3 Henriette-Victorienne, weighing 450 kg, playing the A of octave 3
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The original chapel, initially dedicated to Notre-Dame, was built by Geoffroy IV, Baron of Châteaubriant, on the site where the cattle market was held from May to October until 1763. A text attests to its existence in 1263. [Threatening to fall into ruin, it was demolished in 1518, leaving only the choir of the old chapel standing. The place of worship was immediately rebuilt in a more spacious form using Châteaubriant schist (Nozay stone), based on the plans of Jean Delorme, brother of Philibert Delorme, thanks to the demolition of a neighboring house and the financial support of Jean de Laval. However, the latter's poor financial situation meant that by 1530, only the nave of the building had been built. At the death of Françoise de Foix in 1537 and Jean de Laval in 1543, the Notre-Dame chapel still lacked a framework. It was not until 1551 that the final work was undertaken by Baron Anne de Montmorency. The dedication of the new place of worship took place ten years later, on November 5, 1561, in the presence of the coadjutor of the Bishop of Nantes, and the name of Notre-Dame was changed to Saint-Nicolas, for an unknown reason. On the same day, the body of Jean de Laval, then encased in a lead reliquary, was transported from the castle chapel to the new building. Jean de Laval had wished to see the chapel erected as a collegiate church, but this wish was not granted. However, the building, as vast as a church, shared the honors of worship with the Church of Saint-Jean de Béré, which was then the parish church of the town, until the Revolution. Indeed, the Saint-Nicolas chapel, although of undeniable architectural value, was not suitable for worship in a parish as large as that of Châteaubriant. Nevertheless, in the 15th and 16th centuries, masses, vespers, and many ceremonies were held in the chapel for reasons of convenience, as it was closer to the town of Châteaubriant, while baptisms were all celebrated at Saint-Jean de Béré. At the end of the 19th century, the church, which became the parish seat in 1801, was completely rebuilt. The architect Eugène Boismen drew up the plans, inspired by those of the Saint-Nicolas basilica in Nantes, one of the first neo-Gothic projects in France, which was beginning to inspire architects throughout the west of the country. The foundation stone was blessed on April 25, 1875, by Bishop Fournier of Nantes. The choir, sacristies, transept, and five bays were only completed at the time of the consecration, which was performed by his successor, Bishop Le Coq, on February 1, 1881. The foundations of the bell tower and the remaining bay began in June 1892, based on plans by architect François Bougoüin. The tower and spire were completed in August 1894.
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This recently built church (end of the 19th century) is visible from afar with its 65 meters in height.
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Great area to explore for those who love climbing!
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A safe cycle path
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The region features a landscape of rolling countryside, agricultural land, and wooded areas. You can expect moderate elevation changes with gentle climbs and descents, making it suitable for road bikes.
Yes, out of 139 total routes, 24 are classified as easy. These routes offer a more relaxed experience through the rolling countryside.
For longer rides, consider the Bain-de-Bretagne route, which covers 57.9 miles (93.2 km) with varied terrain. Another option is Les Demoiselles (menhirs) – Church loop from Bain-de-Bretagne, a 51.1 miles (82.2 km) path.
While the region is characterized by moderate elevation changes, some routes offer more significant climbs. For example, the Les Demoiselles (menhirs) – Church loop from Bain-de-Bretagne route features over 750 meters of elevation gain.
Many routes integrate historical landmarks and natural water features. For instance, the Chateau de Chateaubriant – Torche Pond loop from La Bosse-de-Bretagne passes by historical sites and natural ponds. You might also encounter ancient standing stones on routes like Les Demoiselles (menhirs) – Church loop from Bain-de-Bretagne. Other points of interest include the Musée des Mines de la Brutz and the ancient Chêne de Breslon.
Yes, many of the road cycling routes around La Bosse-De-Bretagne are designed as loops, allowing you to start and finish at the same point. Examples include the Les Demoiselles (menhirs) – Church loop from Bain-de-Bretagne and the Chateau de Chateaubriant – Torche Pond loop from La Bosse-de-Bretagne.
The routes in La Bosse-De-Bretagne are highly rated by the komoot community, with an average score of 3.9 stars from over 10 reviews. Cyclists often praise the varied terrain, the balance of open roads and scenic sections, and the integration of historical and natural sights.
Route durations vary depending on distance and your pace. For example, the Bain-de-Bretagne route typically takes around 4 hours, while the Uzel Rock – Lavoir loop from La Guerchette can be completed in under 2 hours.
The region's characteristic rolling countryside and agricultural land often provide quiet roads, especially away from larger towns, allowing for peaceful cycling experiences.
Spring and autumn generally offer the most pleasant conditions for road cycling in Brittany, with milder temperatures and less rainfall than winter. Summer can also be enjoyable, though it may be busier.
The route Le Clos Loisel – La Minaurais 2km at 5% off loop from Lanserva specifically mentions a 2km section with a 5% gradient, offering a focused challenge for those looking to test their climbing legs.


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