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Routes
Mountain biking trails
France
Bourgogne-Franche-Comté
Lons-Le-Saunier
Foncine-Le-Bas

The ghost tunnel! – Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users loop from Foncine-le-Bas

Routes
Mountain biking trails
France
Bourgogne-Franche-Comté
Lons-Le-Saunier
Foncine-Le-Bas

The ghost tunnel! – Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users loop from Foncine-le-Bas

Hard

5.0

(1)

5

riders

The ghost tunnel! – Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users loop from Foncine-le-Bas

01:43

17.8km

430m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: August 24, 2026

Tips

Includes a segment in which cycling is not permitted

After 7.70 km for 79 m

Waypoints

A

Start point

Parking

Get Directions
1

839 m

The ghost tunnel!

Highlight • Other

180m long. Don't forget your light.

Tip by

2

938 m

Bief de la Ruine Tunnel

Highlight • Structure

180 m long tunnel through the mountain, requiring a flashlight.

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

1.43 km

Bief de la Ruine Waterfalls

Highlight • Waterfall

The Bief de la Ruine waterfall is located in the spectacular Malvaux Gorge. One of the most astonishing features of this waterfall is the fact that it only comes alive …

Translated by Google •

Tip by

5

7.84 km

Bulay Viewpoint

Highlight • Summit

to do

Translated by Google •

Tip by

9.72 km

Belvedère Sentier Botanique

Viewpoint

7

17.2 km

Old mill near Foncine le bas.

Translated by Google •

Tip by

B

17.8 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.96 km

3.32 km

2.43 km

2.05 km

< 100 m

Surfaces

10.3 km

3.13 km

1.90 km

1.12 km

977 m

356 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 (1,110 m)

Lowest point (730 m)

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Weather

Powered by Foreca

Sunday 11 October

16°C

-2°C

0 %

Additional weather tips

Max wind speed: 10.0 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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