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Parfond du Gouët Viaduct – Saint-Barthélémy Dam loop from Plérin

Routes

Mountain biking trails

Parfond du Gouët Viaduct – Saint-Barthélémy Dam loop from Plérin

Moderate

riders

Parfond du Gouët Viaduct – Saint-Barthélémy Dam loop from Plérin

03:29

49.1km

620m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: May 21, 2026

Tips

Includes a movable bridge

Check opening times.

After 45.3 km for 35 m

Waypoints

Start point

Bus stop

Get Directions

1.45 km

Parfond du Gouët viaduct (c) Emmanuel Berthier

Highlight • Other

This viaduct has spanned the Parfond de Gouet valley since 1904. Like many other engineering structures in this region, it was built by Harel de la Noe, the chief engineer of bridges and roads, for the departmental railway network. The Saint-Brieuc to Paimpol line operated until 1956. Today, bicycles have replaced the little train!

Translated by Google •

Tip by

20.9 km

Parfond du Gouët Viaduct

Highlight • Bridge

The Parfond du Gouët viaduct or Percée viaduct was built in 1904 by Louis Auguste Harel de La Noë for the Chemins de Fer des Côtes-du-Nord. Located on the edge of the communes of Plérin and Pordic, it allowed the departmental network line to cross the valley of the same name.
Its main characteristics are:
13 braced arches
Total length: 124 m
Height: 34 m
This structure is undoubtedly one of the most remarkable on the network. It still exists. Access was prohibited before 2010, but it was renovated to allow pedestrians and cyclists to circulate. It is part of the 40 km cycle route linking Hillion to Pordic.

Translated by Google •

Tip by

30.9 km

Saint-Barthélémy Dam

Highlight • Other

From the dam you have a great view over the lake and into the valley of the Gouet. You can start great tours around the lake from the nearby hiking car park (up to 2.00 m)!

Translated by Google •

Tip by

31.4 km

Super chemin en Surron

Highlight • Other

44.1 km

Vallée de Gouédic

Forest

45.4 km

Port du Légué

Lake

47.2 km

Single de la Prinelle

Highlight (Segment) • Trail

pretty urban single in an undergrowth along a small stream

Translated by Google •

Tip by

49.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

16.3 km

15.5 km

8.60 km

5.70 km

3.08 km

Surfaces

21.2 km

8.95 km

7.67 km

6.51 km

4.84 km

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (140 m)

Lowest point (10 m)

Weather

Tuesday 28 July

28°C

15°C

0 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

Comments

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Parfond du Gouët Viaduct – Saint-Barthélémy Dam loop from Plérin

Around the Grèves

Les rosaires

The Little Haven

Parfond du Gouët viaduct (c) Emmanuel Berthier

Parfond du Gouët Viaduct

Saint-Barthélémy Dam

Super chemin en Surron

Single de la Prinelle

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