4.6
(12)
85
riders
12
rides
Gravel biking around Saint-Nicolas-Du-Tertre offers routes through a landscape characterized by river valleys, canals, and agricultural areas. The region features paths alongside waterways such as the Canal de Nantes à Brest and the Oust River, often passing by historical locks. Terrain is generally varied, providing options from relatively flat canal paths to routes with moderate elevation changes through the surrounding countryside.
Last updated: July 2, 2026
4.8
(5)
35
riders
31.4km
01:33
100m
100m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.0
(3)
16
riders
42.7km
02:44
340m
340m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

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4.0
(1)
11
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
9
riders
129km
06:56
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
27.5km
02:05
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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.
0
0
Landscape that is different from the rest of the canal. Very wild
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0
A great place to have fun with children. Biking, canoeing, boating, and hiking. Tree-top adventure course. Restaurant and open-air café nearby.
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Perfect for refueling
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through the countryside, always nice to find the canal again
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A lock keeper and his dream of a little paradise...
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Great for a crepe break. Even better for a beer break!!
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Pleasant and shaded on foot or by bike. A few paths // to do on foot or by mountain bike
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0
The region offers varied terrain, primarily characterized by river valleys, canals, and agricultural areas. You'll find paths alongside waterways like the Canal de Nantes à Brest and the Oust River, often passing historical locks. Routes range from relatively flat canal paths to those with moderate elevation changes through the surrounding countryside.
Yes, while many routes are moderate to difficult, you can find options suitable for beginners. The canal towpaths generally offer flatter, more accessible riding. For example, the Magpie Island – Canal de Nantes à Brest loop from Glénac is a moderate route that follows the canal and explores the area around Magpie Island, making it a good starting point.
For experienced riders seeking a longer challenge, the Moulin de Blond Lock – Guipry-Messac Mill loop from Monteneuf is a difficult 129.7 km trail with significant elevation, typically taking over 8 hours to complete. Another substantial option is the Canal de Nantes à Brest – Malestroit Lock loop from Saint-Martin-sur-Oust, a difficult 87.1 km route.
Many of the gravel bike trails in the Saint-Nicolas-Du-Tertre area are designed as loops, allowing you to start and end at the same point. Examples include the The Oust River and Its Locks – Gélin lock loop from Saint-Congard and the The Oust River and Its Locks – Historic centre of Malestroit loop from Saint-Gravé.
The trails often follow scenic waterways like the Canal de Nantes à Brest and the Oust River, featuring historical locks. You can also explore nearby attractions such as the ancient Menhirs of Monteneuf, the Towpath on the Nantes-Brest canal, or the Saint Nicholas of Myra Church.
The region is generally pleasant for gravel biking from spring through autumn. The mild climate means trails are often accessible, but checking local weather conditions is always recommended, especially after heavy rain, as some unpaved sections might become muddy.
Many routes pass through or near small villages and towns along the canals and rivers, where you can often find local cafes, bakeries, or crêperies. Malestroit, for example, is a historic town frequently featured in routes and offers several options for refreshments.
There are over 10 gravel bike routes available in the Saint-Nicolas-Du-Tertre area, offering a variety of distances and difficulty levels to suit different preferences.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the scenic canal towpaths, the tranquility of the river valleys, and the opportunity to explore the rural Breton landscape and its historical locks.
Yes, parking is generally available in the towns and villages that serve as starting points for these routes, such as Glénac, Saint-Congard, Saint-Martin-sur-Oust, Monteneuf, and Saint-Gravé. Look for public parking areas, often near canal access points or village centers.
Many of the flatter sections along the canal towpaths are suitable for families, offering a safe and enjoyable environment away from traffic. It's best to choose shorter, less challenging routes with minimal elevation for family outings.


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