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Routes
Hiking trails & Routes
France
Bourgogne-Franche-Comté
Lons-Le-Saunier
Foncine-Le-Bas

Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users – The source of the Brief de la Ruin loop from Foncine-le-Bas

Routes
Hiking trails & Routes
France
Bourgogne-Franche-Comté
Lons-Le-Saunier
Foncine-Le-Bas

Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users – The source of the Brief de la Ruin loop from Foncine-le-Bas

Easy

4.0

(6)

32

hikers

Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users – The source of the Brief de la Ruin loop from Foncine-le-Bas

01:42

5.85km

150m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: March 30, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Haut-Jura

Waypoints

A

Start point

Parking

Get Directions

1

256 m

Viaduc des Douanets

Highlight • Other

Old railway bridge on the Clairvaux-Forcines line with a view of La Saine.

Translated by Google •

Tip by

2

536 m

Streetcar Jurasienne

Highlight • Other

Beautiful passage of the former Tram Jurasienne railway line, which now serves as a hiking trail.

Translated by Google •

Tip by

3

989 m

A former, unlit railway tunnel with a length of 180 meters. A flashlight is extremely helpful here, as there are quite large stones in some places that are invisible in the dark.

Translated by Google •

Tip by

4

2.73 km

5

2.83 km

Great quiet place

Translated by Google •

Tip by

B

5.85 km

End point

Parking

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Way Types & Surfaces

Way Types

3.65 km

1.45 km

623 m

120 m

Surfaces

3.69 km

1.14 km

382 m

361 m

245 m

< 100 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 (920 m)

Lowest point (780 m)

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Weather

Powered by Foreca

Thursday 21 May

24°C

3°C

5 %

Additional weather tips

Max wind speed: 11.0 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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