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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Tournon-Sur-Rhône
Lamastre

Viaduc de la Chaise – Nonières Tunnel loop from Lamastre

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Tournon-Sur-Rhône
Lamastre

Viaduc de la Chaise – Nonières Tunnel loop from Lamastre

Moderate

4.3

(3)

33

riders

Viaduc de la Chaise – Nonières Tunnel loop from Lamastre

04:12

56.3km

790m

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 12, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Monts d'Ardèche

Waypoints

A

Start point

Train Station

Get Directions

1

65 m

Old Lamastre train station

Highlight • Historical Site

The old Lamastre station is the arrival point of the Ardèche train. Called Le Mastrou, this train takes you on a discovery of the Gorges du Doux. Built from 1886 …

Translated by Google •

Tip by

2

16.4 km

Viaduc de la Chaise

Highlight • Bridge

3

23.1 km

View of the Eyrieux River

Highlight • Viewpoint

4

24.6 km

View of the Eyrieux Gorges

Highlight • Viewpoint

Impressive view into the gorge

Translated by Google •

Tip by

5

30.1 km

In Saint-Martin-de-Valamas, there is this iron bridge typical of the Eiffel style, popularized at the turn of the 20th century. It is recognized by the metal beams and the X-shaped structure.

Translated by Google •

Tip by

6

42.8 km

Viaduct on the Dolce Via

Highlight • Bridge

7

44.6 km

Nonières Tunnel

Highlight • Cycleway

The great thing about old railway tunnels on a cycle route: They often save you a tedious road over a pass. Although you sometimes lose a bit of a good …

Translated by Google •

Tip by

8

53.6 km

Dolce Via

Highlight • Other

B

56.3 km

End point

Train Station

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Way Types & Surfaces

Way Types

29.1 km

20.2 km

5.86 km

865 m

334 m

Surfaces

28.9 km

12.8 km

6.25 km

5.86 km

2.35 km

163 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 (650 m)

Lowest point (370 m)

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Weather

Powered by Foreca

Tuesday 30 June

28°C

19°C

-- %

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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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