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

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

Hard

riders

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

04:57

97.2km

1,290m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: August 15, 2026

Tips

Includes a segment in which cycling is not permitted

After 51.8 km for 73 m

Waypoints

Start point

Train Station

Get Directions

37.4 km

Côte de Marcia

Highlight (Segment) • Climb

Beautiful climb above Aromas, this small pass allows you to switch from Jura (39) to Ain (01)

Translated by Google •

Tip by

44.2 km

Sur l'Achat

Forest

50.1 km

Montée vers Corveissiat

Highlight • Other

During La Bisou 2023. Beautiful view of the Ain valley.

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Tip by

51.8 km

Grotte de Corveissiat

Highlight • Cave

An active water cave that is locked. Only the cavers have access here.

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Tip by

58.2 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.

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Tip by

61.2 km

Viaduct Cize-Bolozon

Highlight • Other

Impressive work of art in a meander of the Ain.
Worth the detour!
More information on patrimoines.ain.fr/n/le-viaduc-de-cize-bolozon/n:1196

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63.3 km

Grand-Corrent Climb

Highlight • Climb

The classic climb for Burgian cyclists!

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67.9 km

Simandre-sur-Suran

Highlight • Other

pretty flowered village and remarkably, this fountain offers drinking water 👍

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70.6 km

Col de la Rousse

Mountain Pass

73.8 km

Col de France

Mountain Pass

97.2 km

End point

Train Station

Way Types & Surfaces

Way Types

85.5 km

5.57 km

3.09 km

1.88 km

935 m

268 m

Surfaces

75.0 km

21.1 km

1.20 km

Elevation

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

Weather

Wednesday 2 September

31°C

12°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

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

Côte de Marcia

Montée vers Corveissiat

Grotte de Corveissiat

Cize-Bolozon Viaduct

Viaduct Cize-Bolozon

Grand-Corrent Climb

Simandre-sur-Suran

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