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Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse

Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse

Hard

5.0

(1)

350

riders

Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse

05:24

104km

1,640m

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: May 12, 2026

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The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 24.2 km for 344 m

Waypoints

Start point

Train Station

Get Directions

17.8 km

Ascension du Mont July

Highlight • Other

Approaching the summit, during La Bisou 2023.

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25.1 km

Col de la Rousse

Mountain Pass

36.0 km

Grand-Corrent Climb

Highlight • Climb

The classic climb for Burgian cyclists!

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38.2 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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41.1 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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41.6 km

Cize Viaduct

Highlight • Bridge

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

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60.2 km

Matafelon-Granges

Highlight • Other

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

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60.2 km

Auberge du Col

Highlight (Segment) • Restaurant

by bike, view of oufff

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80.5 km

Simandre-sur-Suran

Highlight • Other

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

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93.4 km

Forêt communale de Revonnas

Forest

97.2 km

Les Blétonnées

Forest

104 km

End point

Train Station

Way Types & Surfaces

Way Types

89.6 km

10.6 km

1.45 km

1.29 km

1.19 km

Surfaces

85.4 km

18.3 km

326 m

< 100 m

Elevation

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

Highest point (670 m)

Lowest point (230 m)

Weather

Tuesday 19 May

23°C

11°C

12 %

Additional weather tips

Max wind speed: 14.0 km/h

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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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Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse

Ascension du Mont July

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Viaduct Cize-Bolozon

Cize-Bolozon Viaduct

Cize Viaduct

Matafelon-Granges

Auberge du Col

Simandre-sur-Suran

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