4.7
(675)
3,832
hikers
22
hikes
Hiking around Langueux offers diverse landscapes, from coastal paths along the Bay of Saint-Brieuc to routes through the Gouessant Valley. The region is characterized by its extensive intertidal zones, notable viaducts, and varied natural reserves. Hikers can explore the GR®34 coastal path, which provides views of the bay and its rich biodiversity. The terrain includes both flat coastal promenades and routes with moderate elevation changes.
Last updated: July 5, 2026
4.4
(5)
78
hikers
6.52km
01:44
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.5
(26)
176
hikers
25.0km
06:29
150m
140m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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33
hikers
13.9km
03:46
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(3)
41
hikers
9.85km
02:38
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
23
hikers
11.1km
02:56
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Fantastic hiking trail, very varied. Unfortunately, the lake fog disturbed our visit, shrouding much in a dreary grey.
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Dreamlike hiking trail, very varied. Unfortunately, the lake fog disturbed our visit, shrouding much in a dreary grey.
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Dreamlike hiking trail, very varied. Unfortunately, the lake fog disturbed our visit, shrouding much in a dreary gray.
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Dreamlike hiking trail, very varied. Unfortunately, during our visit, the lake fog plunged much into a sad gray.
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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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There are over 20 hiking routes around Langueux, offering a variety of experiences from easy strolls to more challenging treks. The komoot community has explored more than 3,600 of these routes.
Yes, Langueux offers several easy hiking options. For instance, the Douvenant Viaduct – Greves de langueux loop from Langueux is an easy 4.0-mile (6.5 km) trail that provides views of the Bay of Saint-Brieuc. Additionally, the accessible promenade at Les Grèves de Langueux is a 3-kilometer round trip suitable for strollers and people with walking difficulties, offering unobstructed views of the bay.
Yes, for those seeking a more challenging experience, there are routes like the Pointe des Guettes Viewpoint – Grouin Point loop from Langueux. This difficult 15.5-mile (25 km) trail features significant elevation changes and takes approximately 6 hours 30 minutes to complete, offering extensive coastal views.
Many of the trails in Langueux are circular, allowing you to start and end at the same point. Examples include the Douvenant Viaduct – Greves de langueux loop from Langueux and the Viaduc de Douvenant – Boutdeville - The Brickworks loop from Langueux, which explores the area around Boutdeville.
Hiking around Langueux offers diverse landscapes. You'll encounter stunning coastal environments along the Bay of Saint-Brieuc, expansive intertidal zones, and the deeply incised Gouessant Valley. The region is also known for its picturesque beaches like La Grève des Courses and unique geological formations.
Absolutely. The Bay of Saint-Brieuc Nature Reserve is a major highlight, known for its rich biodiversity and significant tidal amplitude. You can also visit La Grève des Courses, part of the GR34 coastal trail, offering magnificent views and insights into local mussel farming. The Saint-Brieuc Bay Visitor Centre is an excellent starting point to learn more about the area's flora and fauna.
Yes, the famous GR®34 coastal path runs through the Langueux area. This path offers breathtaking views of the Bay of Saint-Brieuc, extending to the Anse d'Yffiniac, and allows hikers to observe a wide array of birds and unique geological formations.
Many trails in Langueux are dog-friendly, but it's always recommended to keep your dog on a leash, especially in nature reserves like the Bay of Saint-Brieuc, to protect local wildlife. Please check specific trail regulations before you go.
The spring and autumn months generally offer the most pleasant conditions for hiking in Langueux, with milder temperatures and beautiful natural scenery. Summer can also be enjoyable, especially for coastal walks, but can be busier. Winter offers unique birdwatching opportunities in the Bay of Saint-Brieuc.
The Maison de la Baie (Bay Visitor Centre) is an exceptional site within the Nature Reserve. It offers valuable insights into the diverse fauna and flora, including up to 40,000 migratory birds in winter, and provides educational activities and guided nature outings.
Yes, the area features impressive historic viaducts that are now accessible for walkers and cyclists. The Ponts-Neufs Viaduct and the Parfond du Gouët Viaduct, originally built for railways, offer unique perspectives of the Gouessant river valley and are part of scenic routes.
The trails in Langueux are highly rated by the komoot community, with an average score of 4.66 stars from over 600 reviews. Hikers often praise the diverse coastal and valley landscapes, the well-maintained paths, and the stunning views of the Bay of Saint-Brieuc.
Yes, for those looking for a full-day adventure, routes like the Pointe des Guettes Viewpoint – Grouin Point loop from Langueux offer a substantial challenge. This difficult 15.5-mile (25 km) trail can take over six hours to complete, providing an immersive experience of the region's coastal beauty.


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