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Routes
Mountain biking trails
France
Brittany
Saint-Brieuc
Pléneuf-Val-André

Guen Beach – Cap d'Erquy loop from Pléneuf-Val-André

Routes
Mountain biking trails
France
Brittany
Saint-Brieuc
Pléneuf-Val-André

Guen Beach – Cap d'Erquy loop from Pléneuf-Val-André

Moderate

4.4

(14)

75

riders

Guen Beach – Cap d'Erquy loop from Pléneuf-Val-André

02:36

39.2km

420m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 25, 2026

Tips

Cycling is not permitted along parts of this route

After 21.4 km for 65 m

After 28.4 km for 52 m

Waypoints

A

Start point

Bus stop

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1

2.62 km

View of Îlot du Verdelet

Highlight • Viewpoint

2

7.59 km

Caroual Viaduct

Highlight (Segment) • Bridge

The viaduct, built between 1913 and 1926, is part of the old railway line and has been extensively restored in recent years. Information boards tell the history of the structure.

Translated by Google •

Tip by

3

12.2 km

The Marais Bridge is a reinforced concrete bridge built at the beginning of the 20th century for the Yffignac-Matignon railway line of the Petit Train des Côtes du Nord. It was designed by the architect Louis Harel de la Noë and is part of a series of works which have made it possible to develop tourism in the department. The bridge has been recently restored and hosts the greenway and the Euro Vélo 4.

The bridge offers a view of the Plurien lagoon, a marsh that lives to the rhythm of the tides and is home to lush vegetation. It is an ideal place for walking and observing nature. The GR®34 also passes over the bridge and leads to fine sandy beaches and pink sandstone cliffs.

Translated by Google •

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4

19.3 km

The small, picturesque chapel on the island is a landmark of the region and is visible from afar. It can be reached via a headland at low tide. There is more information and pictures about it in my travel documentary from 2018:

Translated by Google •

Tip by

5

21.7 km

Cap d'Erquy and its beaches

Highlight • Other

Very nice place , worth it

Translated by Google •

Tip by

6

24.3 km

Guen Beach

Highlight • Beach

Plage du Guen is part of the protected landscape surrounding Cap d'Erquy. Nestled between gently rolling heathland slopes, this unspoiled beach reveals its tranquil, pristine side. Fine, pale sand and the changing colors of the sea dominate the landscape, while heather, broom, and pine trees grow in the hinterland. At low tide, rocks and small tidal pools emerge, and the expansive view across the bay extends all the way to Cap Fréhel. Since the beach is only accessible via narrow paths and lacks any tourist infrastructure, it remains a quiet spot—ideal for hikes, nature observation, and moments of tranquility by the sea.

Translated by Google •

Tip by

7

27.3 km

Cap d'Erquy

Highlight • Viewpoint

Very easy to reach by bike.
Circular route on the customs officer path possible on foot…

Translated by Google •

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8

31.7 km

Caroual Viaduct

Highlight • Bridge

Located on the edge of the seafront in Caroual, the Caroual viaduct is a work of art on the departmental railway line linking Saint-Brieuc to Saint-Briac, built between 1913 and 1916 by the engineer Briochin des Ponts et Roads, Harel de la Noë.
With a total length of 109.25 m, maximum height 17.50 m, useful width 4.22 m, it includes a central arch with a span of 45 m and is made of local pink sandstone masonry and reinforced concrete.
The “little train of the Côtes du Nord” will bring generations of summer visitors to Erquy, from July 11, 1922 to December 31, 1948, the date of its final shutdown.
The Caroual Viaduct was transferred to the municipality by administrative act of September 18, 1959.

Translated by Google •

Tip by

B

39.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

11.2 km

11.0 km

11.0 km

2.34 km

1.85 km

1.24 km

670 m

Surfaces

17.2 km

7.48 km

7.26 km

5.77 km

962 m

639 m

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Elevation

Elevation

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

Highest point (90 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Tuesday 25 August

27°C

16°C

61 %

Additional weather tips

Max wind speed: 11.0 km/h

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