Cize Viaduct – Cize-Bolozon Viaduct loop from Saint-Étienne-du-Bois
Cize Viaduct – Cize-Bolozon Viaduct loop from Saint-Étienne-du-Bois
8
riders
Cize Viaduct – Cize-Bolozon Viaduct loop from Saint-Étienne-du-Bois
03:53
76.8km
1,090m
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 21, 2026
Tips
The surface along some of this route may not be suitable
Some segments of your route comprise a surface that may not be suitable for your chosen sport.
After 61 m for 116 m
After 76.7 km for 116 m
Waypoints
Start point
Bus stop
Get Directions
3.34 km
Bois de Treffort
Forest
21.2 km
Côte de Marcia
Highlight (Segment) • Climb
Translated by Google •
Tip by
28.0 km
Sur l'Achat
Forest
31.6 km
Thoirette on the Ain River
Highlight • Settlement
Translated by Google •
Tip by
35.6 km
Ain Valley
Highlight • Other
Tip by
42.8 km
Cize Viaduct
Highlight • Bridge
Translated by Google •
Tip by
43.3 km
Cize-Bolozon Viaduct
Highlight • Other
Translated by Google •
Tip by
43.9 km
View of the bridge over the Ain River
Highlight • Other
Translated by Google •
Tip by
46.0 km
Viaduct Cize-Bolozon
Highlight • Other
Worth the detour!
More information on patrimoines.ain.fr/n/le-viaduc-de-cize-bolozon/n:1196
Translated by Google •
Tip by
54.1 km
Col de la Roche
Mountain Pass
76.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
73.4 km
2.32 km
781 m
412 m
Surfaces
64.8 km
11.8 km
224 m
112 m
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Elevation
Highest point (560 m)
Lowest point (220 m)
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Weather
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Tuesday 26 May
32°C
16°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.