4.6
(1604)
10,144
hikers
25
hikes
Easy hiking trails around Réserve naturelle nationale de la baie de Saint-Brieuc traverse a diverse coastal landscape. The region is characterized by extensive mudflats and estuaries, notably the Anse d'Yffiniac and Anse de Morieux, which are shaped by one of the world's highest tidal ranges. Salt marshes, dunes like those at Bon Abri, and distinctive cliffs also define the terrain, providing varied environments for walking. This protected area is recognized for its rich biodiversity, including numerous bird species and marine…
Last updated: July 14, 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.
4.7
(26)
100
hikers
4.16km
01:06
40m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
28
hikers
3.05km
00:46
0m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
22
hikers
4.40km
01:10
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
14
hikers
4.17km
01:10
90m
90m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Popular around Réserve naturelle nationale de la baie de Saint-Brieuc
Fantastic hiking trail, very varied. Unfortunately, during our visit, the lake fog disturbed us, which plunged much into a dreary gray.
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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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Fantastic hiking trail, very varied, unfortunately, the lake fog, which shrouded everything in a sad gray, disturbed us during our visit.
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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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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 13 easy hiking trails in the Réserve naturelle nationale de la baie de Saint-Brieuc, offering diverse coastal experiences suitable for all skill levels.
Yes, several easy circular routes are available. For instance, the Douvenant Viaduct – Greves de langueux loop from Langueux is a popular 4-mile option, and the Pont-Neufs Viaduct – Ponts-Neufs Viaduct loop from Morieux offers a shorter 2.4-mile path with gentle elevation changes.
Easy hikes in the reserve feature a diverse coastal landscape, including extensive mudflats and estuaries, unique salt marshes, and distinctive dunes like those at Bon Abri. You'll also find paths along the coastline and near cliffs, offering varied scenery.
Yes, the reserve offers trails suitable for families. The Dunes de Bon Abri, for example, provide a short, easy walk perfect for young children. Additionally, the 'Entre grèves et prés' (Between mudflats and meadows) trail in the Yffiniac cove is accessible even with all-terrain strollers.
You can explore various natural features and landmarks. Highlights include the vast mudflats of Anse d'Yffiniac and Anse de Morieux, the unique salt marshes, and the Dunes de Bon Abri. You might also encounter the Boutdeville Park and the Pointe du Grouin Viewpoint, which offer scenic vistas.
Absolutely. The bay is one of France's major ornithological reserves, home to over 200 recorded bird species. During an easy hike, especially near the mudflats and estuaries, you have a high chance of spotting migratory birds like Siberian geese, Brent geese, and various waders.
The easy trails in the Réserve naturelle nationale de la baie de Saint-Brieuc are highly rated by the komoot community, with an average score of 4.6 stars. Hikers often praise the stunning coastal scenery, the abundance of wildlife, and the well-maintained paths that make for enjoyable and accessible walks.
Yes, several easy routes provide views of the region's viaducts. The Boutdeville - La Briqueterie – Viaduc du Vau Hervé loop from Hillion leads near historical structures and offers views of the Viaduc du Vau Hervé. Another option is the Douvenant Viaduct – Greves de langueux loop from Langueux.
The reserve is a great destination for nature lovers year-round. However, for birdwatching, the migratory seasons (autumn and spring) and winter offer the best opportunities to see a large variety of species. The stunning scenery is enjoyable in all seasons.
Yes, you can find easy trails that include Boutdeville Park. The Boutdeville Park – Boutdeville - The Brickworks loop from Yffiniac is an easy 4.1-mile route, and the Boutdeville Park loop from Yffiniac offers a shorter 1.9-mile option.
Yes, the Maison de la Baie Ecomuseum, located near the Pointe du Grouin in Hillion, offers insights into the bay's natural resources and biodiversity. They also organize guided nature tours, which can complement your easy hiking experience.


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