Boutdeville - The Brickworks – Douvenant Viaduct loop from Yffiniac

Running trails & routes

Boutdeville - The Brickworks – Douvenant Viaduct loop from Yffiniac

Moderate

3.0

(2)

177

runners

Boutdeville - The Brickworks – Douvenant Viaduct loop from Yffiniac

01:16

11.4km

60m

Running

Moderate run. Good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: August 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Réserve naturelle nationale de la baie de Saint-Brieuc

Waypoints

Start point

Bus stop

Get Directions

1.87 km

The seabed of Saint-Brieuc Bay

Highlight • Other

The fifth bay in the world for the amplitude of its tides is located on the Channel-Atlantic migration axis. Between 30,000 and 40,000 birds make a migratory stopover here or reside there for the winter: Siberian geese, spotted locusts, Balearic shearwaters, skylarks, melodious linnets, brent geese... These guests know that in this landscape of more than a thousand hectares, apparently desert, intense animal life animates the waters and sand. A real pantry! The bottom of the bay is also home to remarkable geology, dunes, salt meadows...

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3.17 km

National Nature Reserve of the Bay of Saint-Brieuc

Highlight • Natural

Bolt de Ville. View of the natural park. Very nice cove in the sea. Tide has a major influence here.

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3.35 km

Boutdeville - The Brickworks

Highlight • Other

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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3.46 km

La Grève des Courses, Saint-Brieuc Bay Nature Reserve

Highlight (Segment) • Natural Monument

Wild and secret, the Yffiniac cove is the most advanced part of the land of the Bay of Saint-Brieuc. Located in the heart of the largest Nature Reserve in Brittany, it can be discovered along the Chemin des Grêves.

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5.10 km

Viaduc du Vau Hervé

Highlight • Other

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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5.68 km

Douvenant Viaduct

Highlight • Monument

Built between 1903 and 1905, the curved Douvenant viaduct overlooks the valley of the same name.
131 meters long and 23 meters high, it allowed the “petit train des Côtes du Nord” to connect Saint-Brieuc and Langueux in the direction of Moncontour.
Rehabilitated in 2022, it reopened to gentle traffic and offers walkers and cyclists an exceptional view of the Bay of Saint-Brieuc.

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7.31 km

Saint-Brieuc Bay Nature Reserve

Highlight • Natural Monument

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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8.19 km

Boutdeville Park

Highlight • Historical Site

Volunteers work to perpetuate the memory of the “Little Train” present from 1905 to 1956 in the Côtes-du-Nord department. Free access site, two exhibitions in passenger cars, one of which is permanent on the history of this little train. For a more fun moment, board one of the “Boutdeville Tramways” which crisscross the magnificent park.

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11.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

4.30 km

3.47 km

3.45 km

171 m

Surfaces