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Trail along the Sumène – Nonières Tunnel loop from Saint-Agrève

Trail along the Sumène – Nonières Tunnel loop from Saint-Agrève

Hard

riders

Trail along the Sumène – Nonières Tunnel loop from Saint-Agrève

08:17

114km

2,420m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 1, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Monts d'Ardèche

Waypoints

Start point

Train Station

Get Directions

17.9 km

Château de Désaignes

Castle

30.6 km

Trail along the Sumène

Highlight (Segment) • Trail

This path runs along the Sumène, a small river that can sometimes be glimpsed among the trees. This section alternates shaded parts with segments in full sun, just to vary the pleasures!

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40.6 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 …

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44.9 km

Beautiful scenery and views from the old railway line.
Unfortunately, car traffic is also possible on the non-asphalted sections.
The asphalt is partly old and bad, the non-asphalted sections are difficult to drive with luggage.

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51.9 km

Viewpoint on the Dolce Via

Highlight • Cycleway

Just a few steps from Le Cheylard, you can enjoy a magnificent view of the valley in a landscape typical of the Monts d'Ardèche natural park.

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53.6 km

View of the Eyrieux Gorges

Highlight • Viewpoint

Impressive view into the gorge

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55.1 km

Iron Bridge of Saint-Martin-de-Valamas

Highlight • Bridge

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.

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77.1 km

Col de la Scie

Mountain Pass

80.7 km

Mountain Pass

106 km

Tunnel Du Bon Pas

Highlight • Structure

One of many beautiful tunnels on this part of "La Dolce Via"
Light on the bike is recommended.

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107 km

Asseyne Tunnel

Highlight • Structure

114 km

End point

Train Station

Way Types & Surfaces

Way Types

55.2 km

39.3 km

11.8 km

3.52 km

2.12 km

1.98 km

< 100 m

Surfaces

35.4 km

34.1 km

32.5 km

10.3 km

1.69 km

< 100 m

Elevation

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

Highest point (1,230 m)

Lowest point (370 m)

Weather

Tuesday 19 May

21°C

8°C

11 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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

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Trail along the Sumène – Nonières Tunnel loop from Saint-Agrève

08:18h

114km

2,420m

Trail along the Sumène – Nonières Tunnel loop from Saint-Agrève

Trail along the Sumène

Nonières Tunnel

La Dolce Via

Viewpoint on the Dolce Via

View of the Eyrieux Gorges

Iron Bridge of Saint-Martin-de-Valamas

Tunnel Du Bon Pas

Asseyne Tunnel

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