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Mountain biking trails

Auvergne Rhône Alpes

Bourg-En-Bresse

Hautecourt-Romanèche

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Chambod

Mountain biking trails

Auvergne Rhône Alpes

Bourg-En-Bresse

Hautecourt-Romanèche

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Chambod

Moderate

3.0

(1)

4

riders

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Chambod

02:50

35.5km

550m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 19, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 13.2 km for 436 m

Waypoints

A

Start point

Parking

Get Directions

1

8.75 km

Jarbonnet Rock Trail

Highlight • Trail

This superb wild natural site overlooks the river d’Ain. Lined with spectacular cliffs, it offers remarkable panoramas from its trails and viewpoints.

Showing Translation

Tip by

2

12.5 km

Cize-Bolozon Viaduct

Highlight • Bridge

Nestled in a spectacular natural setting, the viaduct offers superb viewpoints over the Ain gorges. Built at the beginning of the 20th century and then rebuilt after the Second World …

Showing Translation

Tip by

3

12.8 km

Cize-Bolozon Viaduct

Highlight • Other

The Cize-Bolozn viaduct is a railway road bridge that crosses the Ain river. It is 73 meters high and was built in 1875.

Translated by Google •

Tip by

4

17.9 km

Ondulated Rock Formation

Highlight • Natural Monument

At this place, the surface of the rock is wavy, so much so that from afar it looks like a corrugated sheet.

Translated by Google •

Tip by

B

35.5 km

End point

Parking

Way Types & Surfaces

Way Types

14.2 km

14.2 km

3.51 km

3.46 km

< 100 m

Surfaces

14.6 km

11.4 km

6.40 km

2.80 km

292 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 (530 m)

Lowest point (270 m)

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Weather

Powered by Foreca

Wednesday 1 July

28°C

12°C

0 %

Additional weather tips

Max wind speed: 19.0 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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