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Lac D'Arzal

The best traffic-free bike rides around Lac D'Arzal

4.3

(79)

2,559

riders

53

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.

Best no traffic road cycling routes around Lac D'Arzal

  • The most popular no traffic road cycling route is Port Tréhiguier – Plage de Loscolo loop from…

Last updated: October 10, 2026

3.0

(1)

13

riders

#1.

Saint John the Baptist Chapel – Prières Abbey boundary marker loop from Arzal

34.3km

01:35

250m

250m

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Popular around Lac D'Arzal

Brittany by bike – cycling from Nantes to Mont-Saint-Michel

Traffic-free bike rides around Lac D'Arzal

Traffic-free bike rides around Lac D'Arzal

Other adventures around Lac D'Arzal

Brittany by bike – cycling from Nantes to Mont-Saint-Michel

Cycling Collection by

Le Voyage à Nantes

Tips from the Community

Fred
October 4, 2026, Église Saint-Pierre-et-Saint-Paul

Although the nave retains some older parts, the current church is a recent construction (1905). Bakery opposite the church and toilets with water on its left side.

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Fred
October 4, 2026, Barrage d'Arzal

A dam behind which thousands of pleasure boats shelter from tides, storms, and salt.

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The port is very beautiful but even if you have to climb, the old town is also worth a visit

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Starting from Missillac in Loire-Atlantique towards Morbihan via St Dolay and Rieux. Just to set a little sporting challenge, the famous Côte d'Aucfer, 900 meters of climbing at an average of 8.5%, with the first 100m at over 12.5% to get you into the rhythm. Then heading to the 3rd department, Ille-et-Vilaine via Redon to return towards Loire-Atlantique along the Nantes-Brest Canal where you can see World War II boats along the bank.

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Konstanze
August 23, 2025, Barrage d'Arzal

It's a truly wonderful experience when the lock is opened for the sailing ships. This exciting spectacle, as the road is closed, the drawbridge is raised, and the sailors enter and exit the lock, is not to be missed.

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Moni
July 9, 2025, Barrage d'Arzal

The dam itself is interesting, but the route is not ideal for cyclists.

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to visit superb

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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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Frequently Asked Questions

How many no-traffic road cycling routes are available around Lac D'Arzal?

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.

Are there easy no-traffic road cycling routes suitable for beginners in Lac D'Arzal?

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.

What scenic viewpoints or landmarks can I expect to see on these no-traffic routes?

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.

Can I cycle across the Arzal Dam on a no-traffic route?

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.

Are there circular no-traffic road cycling routes around Lac D'Arzal?

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.

Are the no-traffic road cycling routes around Lac D'Arzal suitable for families?

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.

Where can I find parking for no-traffic bike paths around Lac D'Arzal?

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.

Are there places to stop for refreshments along the no-traffic road cycling routes?

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.

What about more challenging no-traffic road cycling routes in the area?

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.

What do other road cyclists enjoy the most about road cycling in Lac D'Arzal?

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.

Are there routes that explore historical sites like the Old Port of La Roche-Bernard?

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.

When is the best season for no-traffic road cycling in Lac D'Arzal?

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.

Most popular routes around Lac D'Arzal

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