Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Mountain biking trails

Auvergne Rhône Alpes

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Cize - Bolozon

Mountain biking trails

Auvergne Rhône Alpes

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Cize - Bolozon

Hard

5.0

(1)

34

riders

Cize-Bolozon Viaduct – Ondulated Rock Formation loop from Cize - Bolozon

04:25

46.0km

1,010m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 22, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 1.25 km for 436 m

After 27.9 km for 320 m

Waypoints

A

Start point

Train Station

Get Directions

1

703 m

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

2

970 m

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

5.92 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

4

33.8 km

Singletrail

Highlight • Other

5

33.9 km

Montdidier Castle Ruins

Highlight • Other

6

35.0 km

View of the River Ain

Highlight • Viewpoint

7

36.7 km

Singletrail

Highlight • Other

8

40.5 km

Cliff viewpoint at Rivière d'Ain

Highlight • Other

Superb panorama on the Ain

Translated by Google •

Tip by

B

46.0 km

End point

Train Station

Way Types & Surfaces

Way Types

24.6 km

12.3 km

6.24 km

2.85 km

< 100 m

Surfaces

35.4 km

5.68 km

3.42 km

1.38 km

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

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

Highest point (650 m)

Lowest point (280 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Saturday 23 May

31°C

10°C

9 %

Additional weather tips

Max wind speed: 8.0 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.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Nearby routes

4.6

152

Plateau de Retord – Terments Cross loop from Ochiaz

02:58h

30.4km

650m

4.3

45

La borne au lion – La Pesse loop from Les Bouchoux

04:43h

51.5km

1,140m

94

La borne au lion – La Roche Fauconnière loop from Sous le Rosay

09:02h

92.7km

2,480m

4.6

146

Plateau de Retord – Terments Cross loop from Hotonnes

03:00h

30.5km

660m

3.7

49

Singletrail – Ancient Roman Way loop from Verjon

04:17h

46.8km

1,040m

4.8

49

Cuvéry Pass – Plateau de Retord loop from Saint-Germain-de-Joux

05:31h

64.5km

1,380m

4.2

60

Mountainbike loop from Simandre-sur-Suran

03:44h

38.7km

830m

3.4

31

Singletrail – Ancient Roman Way loop from Val-Revermont

03:03h

27.8km

830m

5.0

62

Cize-Bolozon Viaduct – Cize-Bolozon Viaduct loop from Cize - Bolozon

04:12h

44.6km

980m

4.5

46

Crapa - Vennes Descent – Seillon - Certines - Bourg loop from Bourg-en-Bresse

02:23h

32.2km

140m

4.6

26

Mont Myon – Refuge du Mont Myon loop from Cuisiat

02:54h

28.7km

840m

5.0

34

Vineyard trails – View over Cerdon loop from Poncin

04:55h

45.6km

1,380m