4.4
(43)
879
riders
198
rides
Road cycling around Saint-Thual, located in Brittany, France, offers varied terrain across plains, valleys, and hillsides. The region is characterized by the "Vallons de Saint-Thual" and is bisected by the Canal d'Ille-et-Rance, providing diverse landscapes for cyclists. Nearby forests like Forêt de Rennes and the Rance Estuary also contribute to scenic route options. The Ille-et-Vilaine department features an extensive network of developed cycle routes.
Last updated: June 29, 2026
5.0
(1)
26
riders
48.9km
02:19
560m
560m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
15
riders
157km
06:54
1,070m
1,070m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

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3.0
(1)
7
riders
36.6km
01:46
420m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
3.0
(1)
10
riders
45.5km
02:02
280m
280m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
3.0
(1)
6
riders
50.4km
02:31
480m
480m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Very nice bridge, right on the harbor. You should definitely go.
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The harbor with the old bridge is one of the most beautiful corners of Dinan.
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The Église Saint-Malo de Dinan is a late Gothic church in the historic center. Construction began around 1490 and continued into the 19th century. Built in the Flamboyant Gothic style, it is made of Breton granite and measures approximately 76.5 meters long, 44.1 meters wide, and 21 meters high. The choir rests on eight pillars, surrounded by side chapels with ornate gables. Particularly noteworthy are the early 20th-century stained-glass windows and the historic organ. The church is dedicated to Saint Malo and is one of the most important Gothic buildings in Brittany.
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Particularly worth seeing are the church windows, which tell the history of the region. They are stunningly beautiful on a sunny day.
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Notre-Dame Church in Saint-Melaine
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At 3 km long, this is the largest sandy beach in Saint-Malo. Walking along this beach, you can reach Intra-Muros in Paramé. Sillon Beach includes Grande Plage, Hoguette Beach, and Rochebonne Beach. La Digue was built from 1883 to 1913 on an old sandbar (the Sillon) that once connected Paramé to the walled city and provided the only dry-land access at low tide. Originally, a strip of sand was covered with dunes that grew higher and higher as one moved toward Rochebonne, with only a succession of windmills remaining. The first causeway was built in 1509, rebuilt and widened several times... Le Digue, 1,671 meters long, runs along Grande Plage and offers a pleasant stroll, lined with numerous villas built towards the end of the 19th century. Along the Sillon, a line of breakwaters protects the seawall from the force of the waves. Built in the early 19th century based on an idea by the civil engineer Robinault de St-Servan, the oak breakwaters have a depth at least equal to, or even greater than, their visible height.
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The viaduct spans the valley spectacularly, and it's particularly beautiful from the harbor.
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There are over 200 road cycling routes around Saint-Thual, offering a wide variety of options for different preferences and skill levels. The komoot community has explored these routes over 800 times.
The region around Saint-Thual features diverse terrain, including plains, valleys, and hillsides, particularly within the "Vallons de Saint-Thual." You'll find routes with rolling hills and picturesque valleys, as well as flatter sections alongside the Canal d'Ille-et-Rance. The Ille-et-Vilaine department, where Saint-Thual is located, boasts nearly 3,300 km of developed cycle routes, many of which are paved and ideal for road cycling.
Yes, Saint-Thual offers numerous routes suitable for beginners or those seeking a moderate ride. Out of over 200 routes, 39 are classified as easy and 162 as moderate. A good example of a moderate route is the Dinan Ramparts – Léhon loop from Bécherel, which covers 49.5 km and takes approximately 2 hours 23 minutes.
Many routes incorporate historical and natural attractions. You can cycle past the historic town of Dinan, explore the Ille-et-Rance Canal, or visit the fascinating Site des Onze écluses (Eleven Locks). Natural features include the "Vallons de Saint-Thual" and the nearby Rance Estuary. You might also encounter the Etang de Bétineuc or the Néal Waterfall and View of the Pond.
Yes, many road cycling routes around Saint-Thual are designed as loops, allowing you to start and finish in the same location. For instance, the Site des Onze écluses – Ille-et-Rance Canal loop from Trimer is a moderate 45.5 km circular route that takes you along the canal.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 30 reviews. Cyclists often praise the varied terrain, from rolling hills to scenic canal paths, and the opportunity to explore charming historic towns like Dinan and Bécherel, which is known as a 'city of books'.
Absolutely. Many routes are designed to take you through or near historic towns. For example, the The Port of Dinan – Léhon loop from Saint-Domineuc leads through the historic Port of Dinan. Bécherel, a 'city of books,' is also easily accessible, with routes like the Plouasne-Becherel Station – Bécherel, Book Town loop from Bécherel passing through it.
The region is generally pleasant for cycling from spring through autumn. Summer offers warm weather, ideal for longer rides and exploring coastal areas like the Baie de Lancieux, Baie de l'Arguenon, and the archipel de Saint-Malo et Dinard. Spring and autumn provide milder temperatures and beautiful scenery, with fewer crowds.
Yes, for experienced cyclists seeking a challenge, there are difficult routes available. One such route is the Saint-Malo Intra-Muros – Beauchet Mill loop from La Vigne, a demanding 159.4 km path that offers extensive coastal views and significant elevation changes.
Given the proximity to charming towns like Dinan and Bécherel, and the popularity of the Canal d'Ille-et-Rance, you will find various cafes, restaurants, and pubs along or near many of the routes. These provide excellent opportunities for a break, a meal, or to refuel during your ride.
Parking is generally available in the villages and towns that serve as starting points for many routes, such as Bécherel, Saint-Domineuc, or Trimer. Look for designated public parking areas within these communes.
While Saint-Thual itself is a smaller commune, nearby larger towns like Dinan or Rennes (31km away) offer better public transport connections. From these points, you might be able to connect to routes or cycle to the starting points. For specific public transport options, it's advisable to check local bus or train schedules for the Ille-et-Vilaine department.


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