4.2
(19)
762
riders
137
rides
Road cycling routes around Mernel traverse a landscape characterized by varied terrain, including rolling hills and open countryside. The region offers a network of paths suitable for different levels of road cyclists. Routes often feature elevation changes, providing both challenging climbs and scenic descents.
Last updated: October 11, 2026
4.0
(2)
106
riders
163km
08:17
1,100m
1,100m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
11
riders
46.3km
02:21
540m
540m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

8
riders
56.3km
02:35
570m
570m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4
riders
66.0km
03:03
640m
640m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4
riders
55.0km
02:33
610m
610m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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I bought my sandwich and a flan, which were very good, at this bakery. And the prices are very reasonable: €7 for sandwich + flan + drink
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This former watermill, documented as early as 1089, was initially used as a fulling mill before being converted into a flour mill in the 19th century. Its operation ceased on December 31, 1974. Since then, the building has stood as a significant heritage landmark, marking the industrial and riverine history of the Vilaine Valley.
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The church of Saint-Senoux, rebuilt in 1896 in a Romanesque-Byzantine style, is distinguished by its onion-domed bell tower and vaulted nave. It reuses elements from the old church and retains the original altars, baptistery and confessionals.
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Located at the confluence of the Vilaine and Semnon rivers, this picturesque little village is surrounded by valley landscapes in a verdant setting. The village boasts a charming local heritage with its old houses and its bridge over the river.
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Very beautiful passage in the forest
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Notre-Dame Church in Saint-Melaine
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Road cycling routes around Mernel are characterized by varied terrain, including rolling hills and open countryside. You'll encounter elevation changes, providing both challenging climbs and scenic descents.
There are over 140 road cycling routes available around Mernel, catering to a wide range of skill levels.
Yes, Mernel offers 25 easy road cycling routes. An example of an easier route is the Roadbike loop from La Chapelle-Bouëxic, which is 17.5 miles (28.2 km) long and features moderate elevation.
For those looking for a balanced ride, there are 116 moderate routes. A popular choice is the Pléchatel church – Lavoir loop from Mernel, covering 35.3 miles (56.8 km) with notable elevation changes.
Yes, Mernel has 2 difficult road cycling routes. The most challenging is the La Halte – Côte de Pont-Réan loop from Lohéac, a 100.1-mile (161.1 km) trail with significant elevation gain, ideal for experienced riders.
The road cycling routes in Mernel are highly rated by the komoot community, with an average score of 4.1 stars from over 16 reviews. Cyclists often praise the varied terrain and the network of well-established paths.
Yes, several routes pass by interesting landmarks. You might encounter the Uzel Rock, the historic Guipry-Messac Mill, or the beautiful Saint-Senoux Church. The Montserrat Chapel also offers a scenic viewpoint.
Many of the road cycling routes around Mernel are designed as loops, offering convenient starting and ending points. Examples include the Rapeseed Fields – Bourg des Comptes Town Hall loop from Bellevue and the Clos Pointu Lake – Saint-Senoux Church loop from La Chapelle-Bouëxic.
Elevation gain varies significantly depending on the route. Shorter, easier routes might have around 240 meters of ascent, while longer, more challenging routes, like the La Halte – Côte de Pont-Réan loop, can feature over 1,100 meters of climbing.
Absolutely. Several routes are designed to take you past local points of interest. For instance, the Pléchatel church – Lavoir loop from Mernel includes a church and a lavoir (wash house), while other routes offer views of the Messac mill.


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