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Mountain biking trails

Arzal Dam – Old Bridge loop from Nivillac

Routes

Mountain biking trails

Arzal Dam – Old Bridge loop from Nivillac

Moderate

4.7

(42)

186

riders

Arzal Dam – Old Bridge loop from Nivillac

02:58

38.4km

440m

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: July 30, 2026

Tips

Cycling is not permitted along parts of this route

After 19.5 km for 72 m

After 36.2 km for 224 m

Waypoints

Start point

Bus stop

Get Directions

7.72 km

Étier de Ran Coet

Highlight • Trail

This route of about 34 kilometers is very interesting and amazing, but also demanding on physical condition and technicality, but I recommend it for those who like MTB Cross country.

Translated by Google •

Tip by

9.19 km

Villaine Valley

Highlight • River

Very nice passage despite the luggage on our gravels. A beautiful trail.

Translated by Google •

Tip by

17.6 km

Very nice path

Highlight • Other

19.4 km

Viewpoint

19.9 km

Arzal Dam

Highlight • Monument

Built in 1970, the Arzal dam allows the regulation of the waters of the Vilaine and the storage of drinking water for the inhabitants of the region. Its construction allowed …

Translated by Google •

Tip by

26.5 km

Gaillard Footbridge

Highlight • Bridge

GR349 crossing point

Translated by Google •

Tip by

35.5 km

Old Bridge

Highlight • Other

These access viaducts are an integral part of the history of the Roche-Bernard bridges, they are the only remains of the suspension and arched bridges used between 1839 and 1944.

Translated by Google •

Tip by

35.8 km

Technical Trail

Highlight • Trail

36.9 km

Bridge tour

Highlight • Other

A fit cyclist, but not recommended in December. Beautiful route, but it's hard-earned.

Translated by Google •

Tip by

38.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.3 km

11.1 km

9.99 km

4.42 km

426 m

103 m

< 100 m

Surfaces

13.4 km

9.66 km

7.33 km

6.32 km

1.33 km

375 m

Elevation

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

Highest point (60 m)

Lowest point (0 m)

Weather

Wednesday 26 August

24°C

16°C

49 %

Additional weather tips

Max wind speed: 4.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Arzal Dam – Old Bridge loop from Nivillac

Étier de Ran Coet

Villaine Valley

Very nice path

Arzal Dam

Gaillard Footbridge

Old Bridge

Technical Trail

Bridge tour

Nearby routes

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