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Ponts-Neufs Viaduct – Douvenant Viaduct loop from Dahouët

Routes

Bike touring routes & trails

Ponts-Neufs Viaduct – Douvenant Viaduct loop from Dahouët

Hard

4.7

(55)

361

riders

Ponts-Neufs Viaduct – Douvenant Viaduct loop from Dahouët

04:25

65.6km

640m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 18, 2026

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291 m

Dahouët Harbour

Highlight • Settlement

Tidal port, natural haven fitted out in the 19th century to accommodate large-scale fishing vessels. Notre-Dame-de-la-Garde oratory at the entrance to the port. Former Salines basin transformed into a floating basin for yachting. Alignment of shipowners' houses, traders, numerous cafes. Exhibition of the Great Fishing epic: Newfoundland and Iceland (Heritage Workshop)

Translated by Google •

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10.8 km

Ponts-Neufs Viaduct

Highlight (Segment) • Bridge

This old viaduct and footbridge, which spans the Gouessant river, dates from 1913, built by Louis Auguste Harel de La Noë for the Côtes-du-Nord railways.

The eight arches of the bridge were restored in 2004, and you can now cross it on foot and by bicycle.

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17.8 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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17.8 km

Grèves Coastal Cycle Path

Highlight • Other

The cycle path of the strikes is a portion of the coastal cycle route, which runs along the strikes, bays and jagged coasts of Brittany, between Roscoff and Nantes. This cycle route offers magnificent and varied landscapes, as well as historical and cultural sites to discover.

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24.5 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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39.1 km