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France
Brittany
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Billiers

The best MTB trails around Billiers

4.4

(231)

1,057

riders

58

rides

Mountain bike trails around Billiers offer diverse terrain, situated between the Atlantic coast and the Vilaine estuary in Brittany, France. The landscape features a blend of coastal paths, wild beaches, and estuarine environments. Notable natural features include the Pointe de Pen Lan, offering views where the ocean meets the river, and beaches like Plage de la Mine d'Or with its distinctive ocher-colored cliffs. The area's varied topography provides a range of mountain biking experiences.

Best mountain bike trails around Billiers

Last updated: May 6, 2026

4.8

(9)

98

riders

#1.

Arzal Dam – Old Port of La Roche-Bernard loop from Billiers

49.2km

03:40

460m

460m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Billiers

The Customs Officers’ path – GR 34 in Brittany part 2

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The Customs Officers’ path – GR 34 in Brittany part 2

Hiking Collection by

SimonWicart

Tips from the Community

Moni
July 9, 2025, Barrage d'Arzal

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

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beautiful beach and ideal for lovers of shore fishing.

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to visit superb

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Magnificent La Roche Bernard

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Florence CT
January 22, 2024, Barrage d'Arzal

The Arzal dam is built on the Vilaine estuary between Arzal and Camoël. It is the largest estuary dam in Europe. It is 500 meters long and has a sea wall and five gates. To allow circulation between the river and the ocean, the dam has a lock. A port is also located nearby.

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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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Matilde Maini
October 21, 2023, Le Guerno

The village is tired Commune of Rural Heritage of Brittany. The town is also labeled Village Fleuri, with three flowers. To see, among other things: the 16th century Templar church, its exterior pulpit, the pepper tower and the frescoes.

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Saint-Guérin beach is a beautiful stretch of fine sand which extends the large Damgan beach. The sailing schools based there color the bay with a thousand colors on windy days.

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Frequently Asked Questions

How many mountain bike trails are available around Billiers?

There are over 50 mountain bike trails around Billiers documented on komoot. These routes offer a mix of easy and moderate difficulty levels, with 29 easy trails and 28 moderate trails to explore.

What kind of terrain can I expect on mountain bike trails in Billiers?

Mountain biking in Billiers features a diverse landscape, blending coastal paths, wild beaches, and estuarine environments. You'll encounter varied topography, including areas influenced by the Vilaine estuary and coastal sections with distinctive features like the ocher-colored cliffs at Plage de la Mine d'Or. The broader Brittany region is known for its wild moors, undergrowth, and rocky mounts, suggesting similar varied terrain in the vicinity.

Are there any easy mountain bike trails suitable for beginners in Billiers?

Yes, Billiers offers 29 easy mountain bike trails. An excellent option for those seeking a less challenging ride is the Étang de Tréhervé – Tréhervé Beach loop from Billiers. This 24.2 km (15.0 miles) route is rated easy and takes approximately 1 hour 24 minutes to complete, offering pleasant views around the pond and beach.

What are some notable natural features or landmarks I can see while mountain biking in Billiers?

The region is rich in natural beauty and interesting landmarks. You can experience panoramic views where the ocean meets the river at the Pointe de Pen Lan. The Plage de la Mine d'Or is known for its distinctive ocher-colored cliffs. The impressive Arzal Dam, Europe's largest estuary dam, is also a significant feature along the Vilaine estuary.

Are there any mountain bike routes that offer coastal views?

Absolutely. Many routes in Billiers embrace the coastal environment. The Bétahon Point loop from Billiers is a moderate 42.0 km (26.1 miles) path that offers scenic coastal views and varied terrain around Bétahon Point. Another option is the Damgan's long beach – Saint-Guérin Beach loop from Billiers, which is a 24.1 km (15.0 miles) trail leading through coastal beaches.

What do other mountain bikers say about the trails in Billiers?

The mountain bike trails around Billiers are highly regarded by the komoot community, holding an average rating of 4.4 out of 5 stars from over 230 reviews. Users frequently praise the diverse terrain, the blend of coastal and estuarine landscapes, and the well-maintained paths that offer enjoyable experiences for various skill levels.

Are there any long-distance mountain bike routes around Billiers?

Yes, for those seeking longer rides, the Villaine Valley – Gaillard Footbridge loop from Billiers is a substantial option. This moderate trail spans 49.1 km (30.5 miles) and typically takes around 3 hours 40 minutes to complete, exploring the extensive Vilaine Valley and its estuarine landscapes.

Can I find mountain bike trails that are suitable for families in Billiers?

Given the presence of 29 easy-rated trails, many routes around Billiers are suitable for families. These easier paths often feature gentler gradients and less technical terrain, making them enjoyable for riders of varying ages and abilities. Look for routes explicitly marked as 'easy' on komoot for the most family-friendly options.

What is the best time of year to go mountain biking in Billiers?

Brittany generally offers good conditions for cycling for much of the year. While specific seasonal considerations for Billiers mountain biking aren't detailed, the mild coastal climate typically allows for comfortable riding from spring through autumn. Summer can be popular, but spring and early autumn often provide pleasant temperatures and fewer crowds. Winter riding is possible, but conditions may be wetter and cooler.

Are there any circular mountain bike routes available?

Yes, many of the mountain bike trails around Billiers are designed as loops, allowing you to start and finish at the same point. Examples include the Le Guerno – Fontaine Sainte-Marie loop from Muzillac, a moderate 30.2 km (18.8 miles) route, and the Bétahon Point loop from Billiers, a moderate 42.0 km (26.1 miles) coastal ride.

Are there any specific rules or permits required for mountain biking in Billiers?

While general cycling infrastructure is present, specific permits for mountain biking in Billiers are not commonly mentioned. However, it's always advisable to respect local signage, private property, and environmental regulations, especially when riding through natural areas, coastal paths, or protected zones. For broader regional information, you can consult resources like Brittany Tourism.

Where can I find information about parking for mountain bike trails in Billiers?

While specific parking locations for each trail are not detailed here, many trailheads in popular outdoor areas like Billiers typically have designated parking facilities. It's recommended to check the individual route details on komoot for specific starting points and any associated parking information. The presence of general cycling routes around Billiers suggests that parking infrastructure for visitors is available in the area.

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