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France
Brittany
Saint-Brieuc

Plérin

The best MTB trails around Plérin

4.3

(364)

1,800

riders

17

rides

Mountain bike trails around Plérin offer diverse terrain across its varied landscape. The region features 13 kilometers of coastline with cliffs and sandy beaches, alongside the Gouët valley where rivers converge. Plérin also includes "verdant heights" and lush natural areas, providing a mix of coastal and inland riding experiences. This blend of sea and countryside creates a range of routes suitable for mountain biking.

Best mountain bike trails around Plérin

  • The most popular mountain bike trail is The Little Haven – Parfond de Gouët Viaduct loop from Trémuson, a 32.4 miles (52.1 km) trail that takes 3 hours 55 minutes to complete. This route incorporates the historic Parfond du Gouët Viaduct and traverses the Gouët valley.
  • Another top favourite among local mountain bikers is Douvenant Viaduct – Greves de langueux loop from Saint-Brieuc, a moderate 22.3 miles (35.8 km) path. This trail features the Douvenant Viaduct and offers views of the coastal Greves de Langueux.
  • Local mountain bikers also love the Super chemin en Surron loop from Trémuson, a 26.3 miles (42.4 km) trail leading through verdant countryside, often completed in about 3 hours 13 minutes.
  • Mountain biking around Plérin is defined by its varied coastline, the Gouët valley, and routes incorporating historical viaducts. The network offers options for different ability levels, from easy coastal paths to more challenging inland climbs.
  • The routes in Plérin are highly rated by the komoot community with an average score of 4.38 stars from over 390 reviews. More than 2000 mountain bikers have used komoot to explore Plérin's varied terrain.

Last updated: June 21, 2026

4.7

(20)

130

riders

#1.

The Little Haven – Parfond du Gouët Viaduct loop from Trémuson

52.1km

03:55

660m

660m

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

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Moderate

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

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

Moderate

4.0

(2)

6

riders

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

Easy

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

Moderate
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Tips from the Community

Office de tourisme Baie de Saint-Brieuc
April 14, 2026, Boutdeville - La Briqueterie

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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This viaduct has spanned the Parfond de Gouet valley since 1904. Like many other engineering structures in this region, it was built by Harel de la Noe, the chief engineer of bridges and roads, for the departmental railway network. The Saint-Brieuc to Paimpol line operated until 1956. Today, bicycles have replaced the little train!

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A path rather than a road that comes across a somewhat unexpected passage with a beautiful view from above.

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The Greenway - and the Percée Viaduct - a fascinating story, which can be read on the information panels and is very interesting to me. Here's a translation of Vaduz: Like elegant young ladies striding over the valleys of the Lilliputian kingdom, at the beginning of the 20th century, nine viaducts, including the Parfond de Gouët Viaduct, with their beautiful brick arches, stretched along the very first railway line of the local network, St. Brieuc - Plouha. These engineering structures, built by a native of the region, Louis Harel de La Noë (1852-1931), a bridge and road engineer, allowed the small train of the Côtes-du-Nord to follow the winding and steep coastline without much effort. Lightness and elegance are the words that come to mind when describing the architecture of this 1903 building, characterized by numerous columns and arched vaults and its masonry in warm brick colors. The techniques used demonstrate boldness, ingenuity, and originality: reinforced concrete anchors (rebars) were installed to increase the compressive strength of the pillars and prevent cracks.

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

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With the patronage of "John the Baptist", this parish has chosen a saint who is considered a forerunner of Jesus Christ. In Christian theology, he is the voice of the voice in the desert prophesied in the Old Testament book of Isaiah: "A voice calls out: In the desert prepare the way for the Lord, make straight in the desert a highway for our God!" (Luther Bible). John is the son of Zechariah and Elizabeth, who was visited by the Mother of God Mary when she learned from the Archangel Gabriel that she herself was to give birth to Jesus Christ, and her - until then childless - relative was still pregnant in old age. The feast day of Saint Jean Baptist in the calendar of saints is June 24th.

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The photo is not extraordinary, but the place is worth the detour. Lots of small paths or singles for lots of fun.

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The second largest natural park in Brittany, the bay of Saint-Brieuc offers a preserved space with eclectic landscapes. Between salt meadows, dunes and lagoon waters, around 35,000 species of birds visit the bay each year. Surrounded by the customs trail (GR 34), the bay offers a wide variety of walks. Observation cabins allow you to stay on the lookout for wild life and enjoy a well-guarded world.

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Frequently Asked Questions

How many mountain bike trails are available around Plérin?

Plérin offers a wide selection of mountain biking routes, with over 120 trails documented on komoot. These range from easy coastal paths to more challenging inland climbs, catering to various skill levels.

Are there mountain bike trails suitable for beginners or families in Plérin?

Yes, Plérin has 47 easy mountain bike trails, perfect for beginners or families looking for a less strenuous ride. An excellent option is the Around the Grèves loop from Plérin, an easy 11.9 km route that offers pleasant coastal views.

What are the options for experienced mountain bikers seeking a challenge in Plérin?

For experienced mountain bikers, Plérin provides 7 difficult trails and 66 moderate routes. The region's varied terrain, including coastal cliffs and the Gouët valley, offers challenging climbs and technical sections. Consider the The Little Haven – Parfond de Gouët Viaduct loop from Trémuson, a moderate 52.1 km trail with significant elevation changes.

Are there any loop mountain bike trails in Plérin?

Many of Plérin's mountain bike routes are designed as loops, allowing you to start and finish at the same point. For example, the Parfond de Gouët Viaduct – The tunnel loop from Plérin is an easy 19.7 km loop that takes you through varied landscapes.

What kind of landscapes can I expect to see on mountain bike trails in Plérin?

Mountain biking in Plérin offers a diverse range of landscapes. You'll encounter 13 kilometers of varied coastline with majestic cliffs and sandy beaches, the rugged Gouët valley with its granite boulders, and lush, 'verdant heights' inland. Many routes also incorporate historical structures like viaducts.

What are some notable landmarks or attractions along the mountain bike trails in Plérin?

Many trails in Plérin pass by significant landmarks. You can ride across historical structures like the Ponts-Neufs Viaduct and the Parfond du Gouët Viaduct. The Légué Harbor also offers a charming stop with its historic 18th-century shipowners' houses.

Are there trails with good viewpoints in Plérin?

Absolutely. The coastline around Plérin, particularly the Pointe du Roselier, offers panoramic views across the vast Bay of Saint-Brieuc. You can also find excellent vistas from the Rocher du Coucou, providing stunning perspectives of the natural surroundings.

What is the best season for mountain biking in Plérin?

Plérin's coastal climate generally allows for mountain biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer is also popular, especially for combining rides with beach visits, while winter can be suitable on drier days, though trail conditions may vary.

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

The mountain bike trails in Plérin are highly regarded by the komoot community, with an average rating of 4.38 stars from over 390 reviews. Riders often praise the diverse terrain, the scenic coastal and inland views, and the unique experience of riding across historical viaducts.

Are there any natural reserves or protected areas that mountain bikers can explore in Plérin?

Yes, Plérin is nestled within the ecologically rich Bay of Saint-Brieuc Nature Reserve, the fifth largest bay in the world by tidal range. This area is a haven for diverse flora and fauna, including migratory birds, providing beautiful natural backdrops for rides. You can visit the Saint-Brieuc Bay Visitor Centre for more information.

Can I find mountain bike trails that follow rivers or valleys in Plérin?

The Gouët valley, where the Gouët and Gouédic rivers converge, offers excellent mountain biking opportunities. Trails here often follow the riverbed, marked by impressive granite boulders, providing a rugged and scenic riding experience. The Super chemin en Surron loop from Trémuson traverses verdant countryside that includes parts of this valley.

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