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Bike touring routes & trails

The tunnels of Véloroute 81 – Vernajoul Viaduct Greenway loop from Le Mas-d'Azil

Bike touring routes & trails

The tunnels of Véloroute 81 – Vernajoul Viaduct Greenway loop from Le Mas-d'Azil

Hard

4.9

(8)

105

riders

The tunnels of Véloroute 81 – Vernajoul Viaduct Greenway loop from Le Mas-d'Azil

09:07

144km

1,130m

Cycling

Hard bike 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: May 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Pyrénées ariégeoises

Waypoints

A

Start point

Bus stop

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1

45.0 km

Old railroad embankment

Highlight (Segment) • Other

That's what really got me in France - old railway lines that have been converted into great cycle paths. It goes on good ground over bridges and tunnels (illuminated) without noticeable increases through the country. Everything is mostly well signposted.

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2

70.2 km

Piémont Pyrénéen Greenway (V81)

Highlight (Segment) • Cycleway

The V81 is particularly pleasant, and particularly between Saint-Girons and Foix where it is often shaded, its tunnels are lit as hikers pass by. And although it can sometimes be …

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3

81.2 km

The tunnels of Véloroute 81

Highlight (Segment) • Cycleway

This magnificent 44-kilometre greenway has been developed between Saint-Girons and Foix, replacing an old railway line. It has many tunnels which have the particularity of being equipped with motion detectors.

You will therefore be enlightened as you progress underground.

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4

92.2 km

Old metal bridge

Highlight • Bridge

Nice bridge, look if the wooden planks are bad.
More information: af3v.org/les-voies-vertes/voies/279-search_tag and fr.wikipedia.org/wiki/Ligne_de_Foix_%C3%A0_Saint-Girons?wprov=sfla1

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5

107 km

Greenway of the Ariège Pyrenees

Highlight • Cycleway

A classic track cycle path with a fairly good gravel surface

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6

110 km

Vernajoul Viaduct Greenway

Highlight • Cycleway

Very nice viaduct, but from here there is no view of Foix and the castle.
The interface is not good either.
More information: af3v.org/les-voies-vertes/voies/279-search_tag and fr.wikipedia.org/wiki/Ligne_de_Foix_%C3%A0_Saint-Girons?wprov=sfla1

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7

112 km

Cycle path along the railway line near Foix

Highlight • Cycleway

Start of the Foix railway cycle path, with a view of the castle
More information: af3v.org/les-voies-vertes/voies/279-search_tag and fr.wikipedia.org/wiki/Ligne_de_Foix_%C3%A0_Saint-Girons?wprov=sfla1

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8

122 km

Voie Verte Between Foix and Saint-Girons

Highlight • Cycleway

View from the Bahntrassenradweg on the foothills of the Pyrenees.

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B

144 km

End point

Bus stop

Way Types & Surfaces

Way Types

80.4 km

32.5 km

25.0 km

3.92 km

1.03 km

812 m

118 m

Surfaces

79.7 km

61.8 km

1.26 km

992 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 (570 m)

Lowest point (300 m)

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Weather

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Saturday 16 May

19°C

4°C

73 %

Additional weather tips

Max wind speed: 9.0 km/h

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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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