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Côtes-d'Armor

Réserve naturelle nationale de la baie de Saint-Brieuc

Routes
MTB trails
France
Côtes-d'Armor

Réserve naturelle nationale de la baie de Saint-Brieuc

The best MTB trails around Réserve naturelle nationale de la baie de Saint-Brieuc

4.5

(506)

2,157

riders

133

rides

Mountain biking around Réserve naturelle nationale de la baie de Saint-Brieuc offers diverse terrain for riders. The region is characterized by its coastal landscapes, including the expansive bay, estuaries, and surrounding countryside. Riders can expect a mix of paths along the coastline, through wooded areas, and over rolling hills. The natural reserve provides a varied environment for mountain bike trails, from easier coastal loops to more challenging inland routes.

Best mountain bike trails around Réserve naturelle nationale de la baie…

Last updated: October 21, 2026

4.6

(5)

43

riders

#1.

Douvenant Viaduct – Greves de langueux loop from Pont des Courses

28.5km

01:51

210m

210m

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

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Easy

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

Moderate
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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

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

Moderate
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Popular around Réserve naturelle nationale de la baie de Saint-Brieuc

The Customs Officers' Path – GR 34 between Paimpol and Erquy

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The Customs Officers' Path – GR 34 between Paimpol and Erquy

Hiking Collection by

SimonWicart

Tips from the Community

Delarue Jean Claude
September 10, 2026, Réserve naturelle de la baie de Saint-Brieuc

And green algae.....

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We accidentally drove under the viaduct. Nice impression

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Our starting point. The house was unfortunately closed.

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From 1905 to 1948, the train made a stop there between Saint-Brieuc and Moncontour. The inhabitants of the Grèves used it frequently to get around and transport goods, particularly bricks produced by the nearby factory. It was called the "Petit train des Côtes-du-Nord", the former name of the department, because there was only 1 m spacing between its rails compared to 1.435 m on a normal track.

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Lovely bridge with nice views

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Difficulty finding the start of the hike, so we chose the bay house.

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At the heart of the Saint-Brieuc Bay Nature Reserve, the Maison de la Baie, labeled Maison Nature, is a real gateway to discover a unique and fascinating heritage that must be preserved. The museum is a trail of 7 spaces that takes you from the top of the cliffs to the underwater world. Game booklet for children and translation booklets available free of charge at reception. Thematic nature outings are organized all year round by reservation. In all seasons and at all times, temporary exhibitions are accessible outdoors. Photo credit: Emmanuel Berthier

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Historical monument rated per 2018. Originally a rail connecton from 1905 till 1949.

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Frequently Asked Questions

How many mountain bike trails are available in the Réserve naturelle nationale de la baie de Saint-Brieuc?

There are over 130 mountain bike trails in and around the Réserve naturelle nationale de la baie de Saint-Brieuc, offering a wide range of options for different skill levels.

Are there mountain bike trails suitable for beginners in the Réserve naturelle nationale de la baie de Saint-Brieuc?

Yes, the area features over 50 easy mountain bike trails. A good option for beginners is the Greves de langueux – Boutdeville Park loop from Langueux, which is 5.3 miles (8.6 km) long and leads through coastal areas and parkland.

What kind of terrain can I expect on mountain bike trails around the Réserve naturelle nationale de la baie de Saint-Brieuc?

Riders can expect diverse terrain, including coastal paths with views of the expansive bay, trails through wooded areas, and routes over rolling hills. The natural reserve provides a varied environment, from easier coastal loops to more challenging inland sections.

Are there any challenging mountain bike routes for experienced riders?

While most routes are moderate, there are 6 difficult trails for experienced riders seeking a greater challenge. These routes often feature more significant elevation changes and technical sections.

What is the longest mountain bike route I can find in the Réserve naturelle nationale de la baie de Saint-Brieuc?

One of the longer routes available is the Ponts-Neufs Viaduct – Dahouët Harbour loop from Yffiniac, which spans nearly 31 miles (49.6 km) and offers extensive riding through varied landscapes.

Are there family-friendly mountain bike trails in the Réserve naturelle nationale de la baie de Saint-Brieuc?

Yes, many of the easy trails are suitable for families. The Greves de langueux – Boutdeville Park loop from Langueux is a great choice, offering a relatively short and accessible ride through scenic coastal areas and parkland.

What are the best times of year for mountain biking in the Réserve naturelle nationale de la baie de Saint-Brieuc?

The spring and autumn months generally offer the most pleasant conditions for mountain biking, with milder temperatures and less crowded trails. Summer can also be enjoyable, especially along the coast, but can be busier. Winter riding is possible, but trails may be muddy, and coastal winds can be strong.

What can I see along the mountain bike trails in the Réserve naturelle nationale de la baie de Saint-Brieuc?

Along the trails, you can discover various points of interest. Highlights include the scenic La Grève des Courses, the tranquil Boutdeville Park, and the expansive views from the Pointe du Grouin Viewpoint, offering glimpses of the bay's natural beauty.

Are there good viewpoints along the mountain bike trails?

Yes, the coastal nature of the reserve means many trails offer excellent viewpoints. The Pointe du Grouin Viewpoint is a notable spot for panoramic views of the bay, and other coastal sections provide stunning vistas.

What do other mountain bikers say about the trails in Réserve naturelle nationale de la baie de Saint-Brieuc?

The trails in Réserve naturelle nationale de la baie de Saint-Brieuc are highly rated by the komoot community, with an average score of 4.5 stars from over 380 reviews. Riders often praise the varied terrain, beautiful coastal scenery, and the well-maintained paths suitable for different skill levels.

Is there parking available near the mountain bike trailheads?

Yes, parking is generally available at or near many of the popular trailheads and starting points around the Réserve naturelle nationale de la baie de Saint-Brieuc, particularly in towns like Hillion and Langueux. It's advisable to check specific route details for parking information.

Can I find cafes or places to eat near the mountain bike trails?

Yes, the towns and villages surrounding the reserve, such as Saint-Brieuc, Hillion, and Langueux, offer various cafes, restaurants, and shops where you can refuel before or after your ride. Some coastal routes may also pass by establishments with refreshments.

Are there good circular mountain bike routes in the area?

Absolutely. Many routes in the area are designed as loops. A popular moderate circular route is the Pont-Neufs Viaduct – Ponts-Neufs Viaduct loop from La Grandville, which covers about 20.6 miles (33.1 km) and offers scenic views.

Most popular routes around Réserve naturelle nationale de la baie de Saint-Brieuc

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Most popular attractions around Réserve naturelle nationale de la baie de Saint-Brieuc

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