4.4
(64)
2,258
riders
205
rides
Road cycling routes around Saint-Guen, located in Brittany's Côtes-d'Armor department, offer a varied terrain that includes challenging climbs and scenic, flatter sections. The region is characterized by its proximity to the large artificial Lac de Guerlédan and the Blavet river, which forms part of the Canal de Nantes à Brest. Notable features for cyclists include the well-known Côte de Mûr-de-Bretagne, presenting a significant ascent, and the accessible paths along the canal.
Last updated: June 29, 2026
3.3
(3)
62
riders
56.7km
02:25
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
74
riders
112km
05:10
1,040m
1,040m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
32
riders
18.8km
01:00
330m
330m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.5
(2)
36
riders
49.8km
02:16
570m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
7
riders
64.9km
03:04
780m
780m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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The reconstruction is great! But we left some parts in ruins, which preserves the character of an old building.
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This climb is often used by cycling races, particularly the Tour de France. A fairly long climb (2.2 km) with a very steep first section. Average gradient of 6.55% with a maximum of 15%. https://profils.cols-cyclisme.com/2811.svg
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No tips, just enjoyed the solid Mairie building and the fine-looking bar-tabac nearby. Noyal-Pontivy is reached by some lovely, very quiet roads from Pontivy.
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Well-known to Breton cyclists, the Côte de Mûr-de-Bretagne has become a classic of the Tour de France, with its characteristic straight climb. Although short, it can get your thighs burning with more than 500 meters at over 10% and a peak at over 13%.
3
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avoid this climb if possible
0
0
There are nearly 200 road cycling routes around Saint-Guen, offering a wide range of options for different skill levels. This includes 17 easy routes, over 150 moderate routes, and 28 difficult routes for more experienced cyclists.
Road cycling around Saint-Guen offers a mix of terrain. While there are easier, flatter sections, particularly along the Canal de Nantes à Brest, the region is also known for challenging climbs like the Côte de Mûr-de-Bretagne. The majority of routes are rated as moderate, providing a good balance for most cyclists.
Yes, the region is famous for the Côte de Mûr-de-Bretagne, a well-known climb with sections exceeding a 10% gradient and peaking at over 13%. Routes like the Rohan – Mur-de-Bretagne Hill loop from Guerlédan incorporate this challenging ascent.
For a more relaxed experience, consider routes along the Canal de Nantes à Brest, particularly the section from Pontivy to Mûr-de-Bretagne. These paths offer a meditative ride amidst charming scenery, often with a pleasant gravelly surface suitable for road bikes. The Lock No. 138 of Bon Repos – Bon-Repos Abbey loop from Saint-Guen is a moderate option that explores this area.
The region is rich in natural beauty. You can cycle near Lac de Guerlédan, Brittany's largest artificial lake, and along the banks of the Blavet river, which forms part of the Canal de Nantes à Brest. Other natural sites like the View of Lake Guerlédan and the Landroannec Cove offer scenic views.
Yes, you can integrate cultural stops into your rides. The town of Pontivy, with its medieval old town and Chateau de Pontivy, is accessible. Other sites include the Bon-Repos Abbey and the Forges des Salles, which offer insights into the region's heritage.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 60 reviews. Cyclists often praise the varied terrain, from challenging climbs to scenic canal paths, and the beautiful natural backdrops like Lac de Guerlédan.
Many of the road cycling routes around Saint-Guen are designed as loops, allowing you to start and finish at the same point. Examples include the Pontivy – Pontivy Castle loop from Guerlédan and the Mur-de-Bretagne Hill – Saint-Gilles Church loop from Guerlédan.
Absolutely. Routes like the Ponds and Château de Corlay – Mur-de-Bretagne Hill loop from Guerlédan offer both the demanding ascent of the Côte de Mûr-de-Bretagne and picturesque landscapes, including views of ponds and historical sites.
While specific seasonal data isn't provided, Brittany generally offers pleasant cycling conditions in spring and early autumn, with milder temperatures and less rainfall. Summer can also be enjoyable, though it may be busier with tourists.
Yes, the Guerlédan Dam itself is an impressive structure and can be visited. It's also near the Guerlédan Lock - Nantes to Brest Canal, which is part of the ingenious system regulating the canal's artificial bed.


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