4.2
(54)
2,163
riders
49
rides
No traffic road cycling routes around Lac D'Arzal offer a diverse landscape for cyclists. The region is characterized by the expansive Vilaine Estuary, coastal paths with sea views, and the significant Arzal Dam. Routes often traverse the Vilaine Valley, featuring varied terrain from gentle sections to noticeable inclines, and pass through traditional Breton villages.
Last updated: May 10, 2026
3.0
(1)
11
riders
32.7km
01:30
250m
250m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
6
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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6
riders
40.1km
01:58
320m
320m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
45.7km
02:23
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
16
riders
81.6km
03:39
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Milestone marking the boundary of the Abbey of Prières. Created between 1248 and 1252, it was located in Billiers, near the Pointe de Penlann. The abbey was largely destroyed during the Revolution. There are still a few buildings, the bell tower and a few milestones at the boundary of its domain. This milestone is the easiest to find: it is decorated with a Macle (heraldic symbol) and an Ermine (symbol of the Dukes of Brittany who founded the abbey).
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Great free self guided tour around the grounds using app or website 'Guidigo'. The chateau itself is not open to the public
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Magnificent La Roche Bernard
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The old town, a small town of character, offers numerous walks, winding through old streets into belvederes with beautiful views. We particularly recommend the Chemin du Ruicard, which wanders through picturesque streets, some with stairs, lined with houses from the 16th and 17th centuries. From this point, you can also enjoy the view of the port which is a place of heritage and traditions. The village also has cafes and restaurants that serve local dishes if you want to take a break. La Crêperie La Sarrasine and La Mie de la Roche are the most popular places in the city.
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A beautiful, cute village with many sights. You can visit the castle, local cafes, get off the bike and stroll through the medieval streets. The village is generously decorated with flowers and bears the title "flower village". It was even elected one year as one of the most beautiful villages in France.
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this place has not been voted the most beautiful village in France in the past by chance.
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Great place. Shops without having to go to a screaming mall
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There are over 45 dedicated no-traffic road cycling routes around Lac D'Arzal. These routes offer a variety of distances and difficulty levels, ensuring an enjoyable experience for different cycling preferences.
Yes, Lac D'Arzal offers several easy no-traffic road cycling routes perfect for beginners. One excellent option is the Arzal Dam – Saint Symphorien Chapel loop from Arzal, which is 31.3 km long and features gentle elevation changes, making it ideal for a relaxed ride.
The no-traffic routes around Lac D'Arzal offer diverse scenery. You can cycle along the Vilaine Estuary, cross the impressive Arzal Dam, and enjoy coastal paths with sea views. Many routes also pass through traditional Breton villages. The Morbihan Bridge also offers great views of La Roche-Bernard.
Absolutely! The Arzal Dam is a significant landmark and a popular feature on many cycling routes. It's Europe's largest estuary dam, and cycling across its 500-meter span offers memorable views. The Arzal Dam – Saint Symphorien Chapel loop from Arzal is one route that includes this experience.
Yes, many of the no-traffic road cycling routes in the region are circular, allowing you to start and end at the same point. For example, the Port Tréhiguier – Plage de Loscolo loop from Arzal is a popular circular route that takes you along scenic coastal paths.
Many of the routes, especially the easier and flatter sections along the coast or the Vilaine Estuary, are suitable for families. The dedicated no-traffic nature of these paths ensures a safer and more relaxed experience for all ages. Look for routes marked as 'easy' for the most family-friendly options.
Parking is generally available in and around the main towns and villages, as well as at various ports and marinas in the region. For instance, the marina at Arzal, being the third-largest in Morbihan, often provides convenient parking options close to route starting points.
Yes, the routes often pass through charming traditional Breton villages and along picturesque ports, offering opportunities for breaks. You'll find cafes and local eateries in places like the Old Port of La Roche-Bernard or near the smaller ports like Tréhiguier. Some coastal routes, such as the "Billiers – Coffee stop: Le Bateau Livre loop from Camoël" (mentioned in region research), even highlight specific coffee stops.
For experienced cyclists seeking a challenge, the region offers routes with more significant elevation changes, particularly within the Vilaine Valley. The Old Port of La Roche-Bernard – Le Guerno loop from La Roche-Bernard, for example, covers nearly 59 km with over 600 meters of elevation gain, providing a rewarding ride.
The area is highly rated by the komoot community, with an average score of 4.1 stars. Reviewers often praise the diverse landscapes, from the scenic Vilaine Estuary to the picturesque coastal paths, and the opportunity to explore charming traditional villages and historical sites like the Old Port of La Roche-Bernard, all on quiet, no-traffic roads.
Yes, several routes allow you to discover the rich history of the region. The Old Port of La Roche-Bernard – Saint-Cry Calvary loop from La Roche-Bernard is a great option, taking you through this 'Small Town of Character' with its old houses and maritime heritage.
The spring and autumn months generally offer the most pleasant conditions for road cycling in Lac D'Arzal, with milder temperatures and fewer crowds. Summer can also be enjoyable, especially along the coast, but be prepared for potentially warmer weather. Winter rides are possible, but check local conditions for wind and rain.


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