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Routes
Road cycling routes
France
Auvergne Rhône Alpes
Nantua
Brion

Cize-Bolozon Viaduct – Cize Viaduct loop from Brion - Montréal-la-Cluse

Routes
Road cycling routes
France
Auvergne Rhône Alpes
Nantua
Brion

Cize-Bolozon Viaduct – Cize Viaduct loop from Brion - Montréal-la-Cluse

Moderate

5.0

(4)

55

riders

Cize-Bolozon Viaduct – Cize Viaduct loop from Brion - Montréal-la-Cluse

02:29

49.5km

770m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: July 30, 2026

Waypoints

A

Start point

Train Station

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1

11.1 km

Matafelon-Granges

Highlight • Other

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

Translated by Google •

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2

11.1 km

Auberge du Col

Highlight (Segment) • Restaurant

by bike, view of oufff

Translated by Google •

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3

14.7 km

Thoirette on the Ain River

Highlight • Settlement

Nice stopover with nice shops and bars.

Translated by Google •

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4

14.9 km

Pont de Thoirette

Highlight • Other

The bridge separates two departments, the Jura and the Ain.

"Iron bridge. For several centuries, the Ain was crossed at Thoirette using a ferry, called Christouphe's ferry, named after the commune where the passenger resided.

Showing Translation

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5

18.8 km

Ain Valley

Highlight • Other

Great views over the valley

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6

26.2 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.

Translated by Google •

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7

26.7 km

Cize Viaduct

Highlight • Bridge

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

Translated by Google •

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8

30.3 km

Ain Valley

Highlight • River

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

Translated by Google •

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B

49.5 km

End point

Train Station

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Way Types & Surfaces

Way Types

45.6 km

1.99 km

1.89 km

< 100 m

< 100 m

< 100 m

Surfaces

46.6 km

2.91 km

< 100 m

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Elevation

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

Highest point (670 m)

Lowest point (280 m)

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Weather

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Tuesday 20 October

10°C

4°C

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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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