The ghost tunnel! – Shore of Lac de Narlay loop from Bonlieu

Mountain biking trails

France

Bourgogne-Franche-Comté

Saint-Claude

Bonlieu

The ghost tunnel! – Shore of Lac de Narlay loop from Bonlieu

Hard

5.0

(1)

riders

The ghost tunnel! – Shore of Lac de Narlay loop from Bonlieu

04:46

59.8km

950m

Mountain biking

Hard mountain bike ride. Very 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: September 10, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Haut-Jura

Waypoints

Start point

Parking

Get Directions

22.2 km

Labaye de grandvaux

Highlight • Other

42.7 km

The ghost tunnel!

Highlight • Other

180m long. Don't forget your light.

Tip by

43.2 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

45.3 km

Saine River Waterfalls

Highlight • Waterfall

Awesome waterfalls in a very deep gorge. Follow the trail to get closer to the beginning of the waterfalls.

Tip by

54.8 km

Lake Petit Maclu

Highlight • Lake

Nice path along Lac du Petit Maclu.

Translated by Google •

Tip by

55.6 km

Grand Maclu Lake

Highlight • Lake

Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.

Translated by Google •

Tip by

56.0 km

Shore of Lac de Narlay

Highlight • Lake

The water in this lake is extraordinarily clear!

Translated by Google •

Tip by

58.2 km

The Hérisson Waterfalls

Highlight • Waterfall

Very impressive waterfalls

Tip by

59.8 km

End point

Parking

Way Types & Surfaces

Way Types

36.9 km

16.4 km

2.44 km

1.68 km

1.50 km

773 m

160 m

Surfaces

20.5 km

16.4 km

11.3 km

7.50 km

4.02 km

124 m

< 100 m

Elevation

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

Highest point (1,060 m)

Lowest point (680 m)

Weather

Saturday 10 October

12°C

4°C

12 %

Additional weather tips

Max wind speed: 7.0 km/h

to get more detailed weather forecasts along your route

Comments

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The ghost tunnel! – Shore of Lac de Narlay loop from Bonlieu

Labaye de grandvaux

The ghost tunnel!

Bief de la Ruine Waterfalls

Saine River Waterfalls

Lake Petit Maclu

Grand Maclu Lake

Shore of Lac de Narlay

The Hérisson Waterfalls

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