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Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Bourg-En-Bresse
Pont-D'Ain

Cize Viaduct – Cize-Bolozon Viaduct loop from Pont-d'Ain

Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Bourg-En-Bresse
Pont-D'Ain

Cize Viaduct – Cize-Bolozon Viaduct loop from Pont-d'Ain

Hard

5.0

(8)

82

riders

Cize Viaduct – Cize-Bolozon Viaduct loop from Pont-d'Ain

03:43

57.6km

640m

Cycling

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

Last updated: July 20, 2026

Waypoints

A

Start point

Train Station

Get Directions

1

6.11 km

Along the L'Ain

Highlight • Bridge

2

15.7 km

Port de Merpuis

Highlight • Beach

Perfect for a swim

Translated by Google •

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3

23.1 km

Quiet Side Road Along the Ain

Highlight • Cycleway

4

27.2 km

Cize Viaduct

Highlight • Bridge

The Cize viaduct is one of the many impressive bridges that cross the Ain river.

Translated by Google •

Tip by

5

27.7 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

6

38.8 km

Serrière Bridge

Highlight • Other

Beautiful roads on either side of the river, in asphalt or path mode!

Translated by Google •

Tip by

7

45.3 km

Chateau de la Cueille

Highlight • Other

Nice view of this castle on a rocky outcrop along the river Ain.

Translated by Google •

Tip by

B

57.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

44.4 km

6.03 km

4.04 km

2.15 km

944 m

< 100 m

Surfaces

47.4 km

7.85 km

2.13 km

247 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 (370 m)

Lowest point (240 m)

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Weather

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Saturday 29 August

30°C

17°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Comments

August 6, 2022,L'Ain
Route along the Ain with a return via the ridges.

Some portions are on the way but it goes well in dry weather.

From the Chemin de fer bridge, it is possible to return by the same path if you wish to avoid the drop.

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