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Saint-Brieuc

Vallée de Douvenant

The best walks and hikes around Vallée de Douvenant

4.6

(1277)

7,720

hikers

281

hikes

Hiking around Vallée de Douvenant offers exploration of a wild, largely undeveloped valley east of Saint-Brieuc, Brittany. The terrain features diverse natural elements, including the Douvenant Viaduct, which provides panoramic views of the Bay of Saint-Brieuc. The valley is characterized by its natural tranquility and accessible paths, with the wider region encompassing rivers like the Gouët and varied ecosystems.

Best hiking trails around Vallée de Douvenant

  • The most popular hiking route is Douvenant Viaduct – Boutdeville - The Brickworks loop…

Last updated: July 18, 2026

4.3

(9)

90

hikers

#1.

Douvenant Viaduct – Greves de langueux loop from Stade Fred Aubert

8.53km

02:16

90m

90m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Simone
July 20, 2026, Viaduc de Douvenant

We accidentally drove under the viaduct. Nice impression

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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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Classified as a Nature Reserve since 1998, all this wild nature almost disappeared during the 20th century. A landfill was located a little higher up, and plans for a port or even an airport were circulating. After twenty long years of fighting, led in particular by naturalists and local residents, the bottom of the Baie de Saint-Brieuc has regained its original calm and serenity. This landscape of water channels surrounding salt meadows, completely covered during the high tides, welcomes a diversity of birds from all horizons every year.

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Majestic arched viaduct, it is part of the many works of art in the Bay of Saint-Brieuc built by engineer Harel de la Noë at the beginning of the 20th century. 10 m high and 58 m long, it spans a small stream, which once allowed the Chemins de fer des Côtes-du-Nord line to connect Saint-Brieuc to Moncontour.

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

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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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Today, La Grève des Courses is part of the GR34, a coastal hiking trail that allows you to discover all of Brittany’s coasts. From here, you can enjoy magnificent views of the Anse d’Yffiniac. The area is also home to mussel farms, known as “bouchots”, which are a local specialty. The Réserve Naturelle de La Baie de Saint-Brieuc itself is the largest nature reserve in Brittany.

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In the 19th and 20th centuries, La Grève des Courses was a festive place where horse races and aviation meetings took place. However, it later became a wild dump where waste was thrown directly onto the sand, polluting the bay. Thanks to the efforts of environmental associations, it was transformed into a nature reserve.

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Frequently Asked Questions

How many hiking trails are available in Vallée de Douvenant?

Vallée de Douvenant offers a wide variety of hiking experiences, with over 260 routes available. These range from easy strolls to more challenging treks, ensuring options for all fitness levels.

Are there easy or family-friendly hiking options in Vallée de Douvenant?

Yes, Vallée de Douvenant is well-suited for families and those seeking easier walks. With over 140 easy routes, you'll find plenty of accessible paths. A good example is the Boutdeville - The Brickworks loop from Langueux, which is a gentle 3.2 km trail.

What kind of natural features can I expect to see while hiking in Vallée de Douvenant?

The valley is celebrated for its wild, largely undeveloped character, offering an authentic connection with nature. You'll encounter diverse natural elements, including the prominent Douvenant Viaduct, which provides exceptional panoramic views of the Bay of Saint-Brieuc. The wider region also features rivers like the Gouët, known for its granite boulders, and varied ecosystems.

Can I bring my dog on the hiking trails in Vallée de Douvenant?

While specific regulations can vary, many trails in the Vallée de Douvenant are generally dog-friendly, especially given the area's wild and natural character. It's always recommended to keep your dog on a leash, especially in areas with wildlife or near other hikers, and to clean up after them.

Are there any circular walks available in Vallée de Douvenant?

Yes, many of the trails in Vallée de Douvenant are designed as circular routes, allowing you to start and end at the same point. For instance, the Douvenant Viaduct – Boutdeville - The Brickworks loop from Stade Fred Aubert is a popular moderate circular trail covering 7.5 km.

Where can I park when visiting Vallée de Douvenant for a hike?

Parking is generally available near popular trailheads and access points. For routes starting from Saint-Brieuc or Langueux, you can often find designated parking areas. For example, if you're starting the Douvenant Viaduct – Boutdeville - The Brickworks loop, parking is typically available near Stade Fred Aubert.

Is it possible to access Vallée de Douvenant trails using public transport?

Given its proximity to Saint-Brieuc, some trailheads in Vallée de Douvenant may be accessible via local public transport routes. It's advisable to check the latest bus schedules and routes from Saint-Brieuc to areas like Langueux or specific points near the valley for the most up-to-date information.

What is the best time of year to hike in Vallée de Douvenant?

Vallée de Douvenant offers pleasant hiking conditions throughout much of the year. Spring and autumn provide mild temperatures and beautiful scenery, with vibrant flora in spring and rich colors in autumn. Summer is also popular, though it can be warmer. Even in winter, the trails can be enjoyable, offering a different, tranquil experience.

What do other hikers enjoy most about Vallée de Douvenant?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 1,100 reviews. Hikers frequently praise the valley's wild and undeveloped nature, the stunning panoramic views from the Douvenant Viaduct, and the variety of accessible paths suitable for different abilities.

Are there any challenging hikes in Vallée de Douvenant for experienced hikers?

While many routes are easy to moderate, Vallée de Douvenant does offer options for more experienced hikers seeking a challenge. There are 9 difficult routes available, such as the Viaduc de Douvenant – Pont des Courses loop from Saint-Brieuc, a longer 27.3 km path that explores more extensive terrain around the viaduct and towards Pont des Courses.

Are there any amenities like cafes or restaurants near the hiking trails?

As Vallée de Douvenant is largely undeveloped, direct amenities on the trails are limited. However, due to its proximity to Saint-Brieuc and Langueux, you'll find a range of cafes, restaurants, and accommodation options in these nearby towns, perfect for before or after your hike.

Can I find routes that offer views of the Bay of Saint-Brieuc?

Absolutely. Many trails, particularly those around the Douvenant Viaduct, offer exceptional viewpoints overlooking the Bay of Saint-Brieuc. From these vantage points, you can enjoy expansive views that include the nature reserve, the Hillion peninsula, and distant coastal features.

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