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Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Tournon-Sur-Rhône
Saint-Prix

Nonières Tunnel – Col du Gerbier de Jonc loop from Saint-Prix

Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Tournon-Sur-Rhône
Saint-Prix

Nonières Tunnel – Col du Gerbier de Jonc loop from Saint-Prix

Hard

5.0

(1)

49

riders

Nonières Tunnel – Col du Gerbier de Jonc loop from Saint-Prix

07:29

102km

2,020m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 21, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Monts d'Ardèche

Waypoints

A

Start point

Parking

Get Directions

1

1.84 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

2

7.02 km

Lac des Collanges

Highlight • Lake

Collanges Lake is a 48-hectare artificial lake (which also serves as a water control dam for the Eyrieux Valley). Swimming is prohibited, but fishing is permitted (category 2). For swimming, …

Translated by Google •

Tip by

3

10.3 km

La Dolce Via

Highlight • Cycleway

Beautiful area with paved and gravel paths along the water.

Translated by Google •

Tip by

4

11.6 km

Le Cheylard Town Center

Highlight • Settlement

Le Cheylard is the second industrial center of the Ardèche, nestled in the valleys of Eyrieux and Dorne. To see, the Arche des Métiers, the Maison du Bijou, the Château de la Chèze.

Translated by Google •

Tip by

5

12.0 km

Market square and church in Le Cheylard

Highlight • Other

Nice little market square and beautiful church in Le Cheylard.

Translated by Google •

Tip by

34.1 km

Col de Mézilhac

Mountain Pass

39.2 km

Col du Montivernoux

Mountain Pass

8

48.3 km

Col du Gerbier de Jonc

Highlight • Mountain Pass

The Col du Gerbier de Jonc from Saint-Martin-de-Valamas is 22.9 km long with a total drop of 885 m. The average gradient is 3.8% with maximum gradients of 8.3%.

Translated by Google •

Tip by

9

48.5 km

Mont Gerbier de Jonc

Highlight • Natural Monument

The source of the Loire, magnificent

Showing Translation

Tip by

10

50.2 km

Viewpoint on Mont Gerbier de Jonc

Highlight • Viewpoint

A belvedere to admire Mont Gerbier-de-Jonc on the edge of the winding road that goes up from Saint-Martial.

Translated by Google •

Tip by

B

102 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

73.4 km

13.2 km

11.9 km

2.45 km

1.24 km

237 m

116 m

Surfaces

82.3 km

10.0 km

5.78 km

3.89 km

594 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 (1,450 m)

Lowest point (410 m)

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Weather

Powered by Foreca

Friday 10 July

34°C

17°C

65 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

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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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