Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse
Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse
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Cize-Bolozon Viaduct – Cize Viaduct loop from Bourg-en-Bresse
05:52
118km
1,670m
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: April 7, 2026
Tips
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 24.1 km for 344 m
Waypoints
Start point
Train Station
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4.38 km
View of the Lake and Surrounding Hills
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6.75 km
Les Blétonnées
Forest
10.5 km
Forêt communale de Revonnas
Forest
17.6 km
Ascension du Mont July
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25.0 km
Col de la Rousse
Mountain Pass
35.9 km
Grand-Corrent Climb
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38.0 km
Viaduct Cize-Bolozon
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Worth the detour!
More information on patrimoines.ain.fr/n/le-viaduc-de-cize-bolozon/n:1196
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40.9 km
Cize-Bolozon Viaduct
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41.4 km
Cize Viaduct
Highlight • Bridge
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52.6 km
Thoirette on the Ain River
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69.6 km
Simandre-sur-Suran
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118 km
End point
Train Station
Way Types & Surfaces
Way Types
103 km
7.54 km
5.17 km
1.66 km
1.19 km
Surfaces
103 km
14.8 km
326 m
< 100 m
< 100 m
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Elevation
Highest point (580 m)
Lowest point (230 m)
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Weather
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Wednesday 27 May
31°C
14°C
0 %
Additional weather tips
Max wind speed: 23.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.