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Road cycling routes

France

Bourgogne-Franche-Comté

Lons-Le-Saunier

Thoirette

Cize-Bolozon Viaduct – Cize Viaduct loop from Thoirette

Routes

Road cycling routes

France

Bourgogne-Franche-Comté

Lons-Le-Saunier

Thoirette

Cize-Bolozon Viaduct – Cize Viaduct loop from Thoirette

Hard

riders

Cize-Bolozon Viaduct – Cize Viaduct loop from Thoirette

04:31

97.1km

1,000m

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 right next to a parking lot.

Last updated: May 8, 2026

Tips

Includes a segment in which cycling is not permitted

After 90.7 km for 73 m

Waypoints

Start point

Parking

Get Directions

243 m

Thoirette on the Ain River

Highlight • Settlement

Nice stopover with nice shops and bars.

Translated by Google •

Tip by

11.7 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 •

Tip by

12.2 km

Cize Viaduct

Highlight • Bridge

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

Translated by Google •

Tip by

15.8 km

Ain Valley

Highlight • River

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

Translated by Google •

Tip by

30.1 km

View of the Viaduc de Poncin

Highlight • Bridge

An impressive viaduct that crosses the Ain river.

Translated by Google •

Tip by

33.3 km

Neuville sur ain

Highlight • Other

A picturesque town located on the banks of the Ain.

Translated by Google •

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58.4 km

Les Blétonnées

Forest

90.7 km

Grotte de Corveissiat

Highlight • Cave

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

Translated by Google •

Tip by

97.1 km

End point

Parking

Way Types & Surfaces

Way Types

88.3 km

3.70 km

3.00 km

1.02 km

927 m

268 m

Surfaces

84.6 km

11.3 km

1.20 km

Elevation

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

Highest point (540 m)

Lowest point (240 m)

Weather

Today

Thursday 21 May

28°C

8°C

0 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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 Thoirette

Thoirette on the Ain River

Cize-Bolozon Viaduct

Cize Viaduct

Ain Valley

View of the Viaduc de Poncin

Neuville sur ain

Grotte de Corveissiat

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