4.6
(1487)
9,400
hikers
18
hikes
Family friendly hiking trails around Réserve naturelle nationale de la baie de Saint-Brieuc traverse a diverse landscape featuring an extensive sandy-muddy intertidal zone, salt marshes, and sand dunes. The region is characterized by its dynamic coastal environment, influenced by significant tidal ranges. Trails often follow the coastline, offering views of the bay and its varied ecosystems. The terrain is generally gentle, making it suitable for family outings.
Last updated: June 1, 2026
4.3
(4)
70
hikers
6.52km
01:44
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.7
(24)
93
hikers
3.93km
01:02
30m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.0
(1)
56
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.6
(7)
28
hikers
8.33km
02:16
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
33
hikers
13.9km
03:46
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Popular around Réserve naturelle nationale de la baie de Saint-Brieuc
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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worth dwelling on
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Since the cod fishing campaigns in Newfoundland, the Légué has experienced industrialization and then pleasure boating. The port can accommodate boats over 1.5 km, from the stone bridge to the swing bridge. The quays now developed invite you to take a stroll. 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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Avoid the busy road below, and take this superb viaduct instead! https://fr.wikipedia.org/wiki/Viaduc_des_Ponts-Neufs
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There are 17 family-friendly hiking trails in the Réserve naturelle nationale de la baie de Saint-Brieuc. These include 10 easy routes perfect for younger children and 7 moderate trails for families looking for a bit more challenge.
Families can explore a diverse range of landscapes, from extensive sandy-muddy intertidal zones and salt marshes to sand dunes. The reserve's dynamic environment, influenced by the immense tidal range, ensures a constantly changing and unique experience. You'll find areas like the Dunes de Bon Abri with its unique topography, and the wild Anse d'Yffiniac.
Yes, many of the family-friendly trails are circular, making them convenient for outings. For example, the easy Pont-Neufs Viaduct loop from Morieux is just under 4 km, offering a pleasant walk without retracing your steps. Another option is the Douvenant Viaduct – Greves de langueux loop from Langueux, which is around 6.5 km.
Along the trails, families can discover several interesting spots. You might encounter La Grève des Courses, explore Boutdeville Park, or enjoy views from Pointe du Grouin Viewpoint. The reserve also features the Maison de la Baie Ecomuseum, which offers insights into the bay's natural resources and biodiversity.
Absolutely! The reserve is an internationally recognized ornithological site, especially during winter months when it hosts up to 40,000 migratory birds. Families can often spot Brant geese, common shelducks, swans, herons, and cormorants, making it an excellent location for birdwatching with children.
Many trails are designed to be easy and accessible. The Dunes de Bon Abri, for instance, offers an easy walking experience suitable for families. For specific routes, look for trails marked 'easy' in the guide, such as the Boutdeville - The Brickworks – Greves de langueux loop, which is just over 4 km with minimal elevation.
The area is highly rated by the komoot community, with an average score of 4.6 stars from 241 ratings. Reviewers often praise the diverse landscapes, the opportunities for birdwatching, and the well-maintained paths that make hiking enjoyable for all ages. The constantly changing scenery due to the tides is also a frequently mentioned highlight.
The reserve offers unique experiences year-round. While summer provides pleasant weather for exploring, the winter months are particularly special for birdwatching, as the bay becomes a critical stopover for migratory birds. The dramatic tidal changes ensure that each visit, regardless of season, offers a unique spectacle.
Yes, for families seeking a longer adventure, there are moderate trails available. The Saint-Maurice Chapel – Ponts-Neufs Viaduct loop from Morieux is a moderate 8.5 km route, and the Boutdeville - The Brickworks – Port of Légué loop from Langueux extends to nearly 14 km, offering more extensive exploration of the bay's coastline.
The reserve's diverse environment lends itself to various activities. Beyond hiking, you can enjoy birdwatching, explore the Maison de la Baie Ecomuseum for educational insights, or simply observe the dramatic tidal changes. The coastal paths, including sections of the renowned GR®34, offer spectacular views and an immersive experience of the bay's dynamic environment.


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