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Road cycling routes

Auvergne Rhône Alpes

Cize Viaduct – Cize-Bolozon Viaduct loop from Poncin

Road cycling routes

Auvergne Rhône Alpes

Cize Viaduct – Cize-Bolozon Viaduct loop from Poncin

Hard

4.0

(1)

45

riders

Cize Viaduct – Cize-Bolozon Viaduct loop from Poncin

03:28

66.9km

1,130m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 22, 2026

Waypoints

A

Start point

Parking

Get Directions

1

14.5 km

Ain Valley

Highlight • River

The road runs along the Ain River, from which the department takes its name.

Translated by Google •

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2

18.1 km

Cize Viaduct

Highlight • Bridge

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

Translated by Google •

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3

18.6 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 •

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4

19.2 km

View of the bridge over the Ain River

Highlight • Other

Nice view of a good route.

Translated by Google •

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5

30.6 km

Pont de Thoirette

Highlight • Other

The bridge separates two departments, the Jura and the Ain.

"Iron bridge. For several centuries, the Ain was crossed at Thoirette using a ferry, called Christouphe's ferry, named after the commune where the passenger resided.

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6

30.6 km

Auberge du Col

Highlight (Segment) • Restaurant

by bike, view of oufff

Translated by Google •

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7

33.9 km

Matafelon-Granges

Highlight • Other

Small pass between Ain and Oignin.
Beautiful church in the village, the hotel looked rather closed.

Translated by Google •

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50.4 km

Col du Berthiand

Mountain Pass

9

66.2 km

View of the Viaduc de Poncin

Highlight • Bridge

An impressive viaduct that crosses the Ain river.

Translated by Google •

Tip by

B

66.9 km

End point

Parking

Way Types & Surfaces

Way Types

54.3 km

11.6 km

1.02 km

< 100 m

Surfaces

62.4 km

4.58 km

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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 (780 m)

Lowest point (250 m)

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Weather

Powered by Foreca

Tuesday 1 September

30°C

12°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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