4.3
(68)
1,663
riders
301
rides
Road cycling around Tresbœuf, located in the Ille-et-Vilaine department of Brittany, offers access to a region known for its extensive cycling infrastructure. The landscape features tranquil rural countryside, characterized by bocage (hedged farmland), gentle hills, and quiet country roads. This area provides varied terrain suitable for road cyclists seeking scenic beauty and a pleasant riding experience.
Last updated: October 9, 2026
19
riders
46.4km
01:57
330m
330m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
14
riders
71.4km
03:03
570m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
10
riders
50.3km
02:04
320m
320m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
13
riders
72.7km
03:24
530m
530m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
12
riders
18.3km
00:46
150m
150m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Unusual dimensions for a dolmen. I visited it on a weekday and had the site all to myself. Truly impressive. Also worth seeing is the chestnut tree at the entrance, which tried - but apparently failed - to swallow a megalith at the entrance to the dolmen. Toilets with a tap. Benches.
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Magnificent greenway, rolling and shaded. Less flat than I expected.
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The Sainte-Marie-Madeleine church was built in the 19th century in a neo-Gothic style by Aristide Tourneux, an architect from Castelgiron. With a touch of humor, the town's priest in 1912 wanted to give "cats to the girons": Arthur Regnault, a sculptor, therefore sculpted cats at the four corners of the bell tower. Having collapsed in 1998 following a severe storm, the bell tower was rebuilt identically in 2000.
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This parish belonged to the Collegiate Church Notre Dame de VITRE until the year 1116. It was then handed over to the Abbey of Saint Melaine (in RENNES). SAINT-DIDIER, the patron saint of the Parish, is undoubtedly the holy bishop of RENNES who lived at the end of the 7th century. His statue is part of the altarpiece of the high altar (1721), as well as that of Saint GOLVEN.
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The church of Saint-Sulpice (17th century). Dedicated to Saint Sulpice, bishop of Bourges, the church of Ossé consists of a single nave ending in a straight chancel, to which two chapels have been added, forming the transepts. It has no style and may partly date back to the 16th century, as indicated by the ogival window of its chancel, now walled up. The North chapel, dedicated to the Virgin Mary, and originally reserved for the lord of Charot, was built in 1611. The other chapel, dedicated to Saint Nicholas, also seems to be from the 17th century. Le Plessix d'Ossé was the manor house of the parish. In 1440, Duke Jean V settled a dispute concerning the right of burial in the church of Ossé between the sieur du Pan, lord of Plessix, and the sieur de Montbeille, lord of Grées. The ecclesiastical superiority belonged to Ossé to the baron de Châteaugiron, but the lord of Plessix enjoyed the rights of founder and patron; this was declared in 1694 by Gabrielle Glé, marquise de la Vallière and lady of Plessix (National Archives, P. 1721). Jacques Le Prestre, baron de Châteaugiron, having acquired Plessix in 1744, took possession of all these honorary rights and had his coat of arms placed in the choir and on the high altar of the church of Ossé. As for the lord of Charot, he had his tomb, his pew, and his coat of arms in his reserved chapel. The bell tower dates from 1899. The altarpiece of the Holy Trinity dates from the 17th century.
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With nearly 20 meters long, 6 meters wide, and 4 meters high, the Roche-aux-Fées remains the largest dolmen in France and one of the best-preserved in Europe. It is composed of a schist-covered passage formed by four chambers whose meaning has not yet been revealed. Although the construction of this monument dates back to the Neolithic period, around 2000 BC, specialists remain perplexed about its construction method. The site is impressive. And when you know that some stones weighing over 40 tons come from several kilometers around, you wonder how the inhabitants of the time managed to move them there. Such a site could only inspire stories, legends, and beliefs. One of them tells that the fairy Viviane, aided by fellow fairies, would have built this imposing monument... in one night. Another concerns lovers: to know if their union will last, couples must walk around the Roche-aux-fées, each in a different direction, and count the stones. If they find the same number of stones, their future will be bright! Through a mysterious alignment during the winter solstice on December 21st or 22nd, the sun rises facing the entrance of the dolmen. At that moment, the light rays magically illuminate the stone located at the back of the covered passage. Access is free and open. The small surrounding roads are charming and quiet.
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Short video of the site: https://www.youtube.com/watch?v=bqEBsKL7P7s
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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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There are over 300 road cycling routes around Tresbœuf, offering a wide variety of options for different skill levels. The komoot community has explored more than 1,400 road cycling tours in the area.
The region around Tresbœuf is characterized by tranquil rural countryside, featuring bocage (hedged farmland), gentle hills, and quiet country roads. You'll find varied terrain suitable for both scenic beauty and a pleasant riding experience, with routes generally having moderate elevation gains.
Yes, Tresbœuf offers several easy road cycling routes. For instance, the Étang de Marcillé-Robert loop from Janzé is an easy 18.2-mile (29.3 km) path, perfect for those new to road cycling or looking for a relaxed ride.
While many routes feature gentle hills, there are options for more challenging rides. The region's extensive network of minor roads allows for longer distances and cumulative elevation, with some routes extending over 40 miles (64 km) and offering more significant climbs.
You can integrate visits to several points of interest. The Fairies' Rock loop from Janzé leads to the impressive La Roche-aux-Fées Dolmen. Another route, the Saint-Maximilien-Kolbé Church – Château des Pères loop from Janzé, passes by the unique Saint-Maximilien-Kolbé Church.
The rural landscapes of Ille-et-Vilaine, with its bocage and gentle hills, naturally offer many scenic vistas. While specific named viewpoints are not highlighted, the quiet country roads provide continuous picturesque views of the countryside, rivers like the Vilaine, and diverse natural spaces.
Yes, Tresbœuf and surrounding towns typically offer public parking facilities. For specific routes, it's advisable to check the starting points on komoot for details on available parking near trailheads or in nearby villages.
Public transport options for cyclists in the Ille-et-Vilaine department vary. While some regional trains or buses may accommodate bikes, it's best to check with local transport providers like BreizhGo for their specific policies and schedules, especially during peak seasons.
The region's extensive network of cycle routes, including greenways and paths along former railway lines and towpaths, often provides flat, traffic-free, and family-friendly options. The quiet country roads around Tresbœuf are also generally suitable for families seeking a peaceful ride.
While Tresbœuf itself is a small commune, bike rental services are available in larger nearby towns within the Ille-et-Vilaine department. It's recommended to search for bike rental shops in towns like Janzé or Rennes, which are more likely to offer such services.
Yes, many road cycling routes pass through or near charming villages and towns where you can find local cafes, bakeries, and small shops for refreshments. Planning your route with komoot allows you to identify these stops along the way.
The road cycling routes around Tresbœuf are highly rated by the komoot community, with an average score of 4.1 stars from over 40 reviews. Cyclists often praise the tranquil rural countryside, the network of quiet roads, and the scenic beauty of the region.
The spring, summer, and early autumn months generally offer the most pleasant conditions for road cycling in Tresbœuf. During these seasons, the weather is typically mild, and the countryside is at its most vibrant. Always check the local forecast before heading out.


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