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Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes

Cize Viaduct – Cize-Bolozon Viaduct loop from Nantua

Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes

Cize Viaduct – Cize-Bolozon Viaduct loop from Nantua

Hard

5.0

(1)

20

riders

Cize Viaduct – Cize-Bolozon Viaduct loop from Nantua

03:58

60.1km

800m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 22, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

724 m

Cycle path along Lake Nantua

Highlight (Segment) • Other

Beautiful path, probably busier when the weather is nice. If I read it correctly, the small road should be closed on weekends.

Translated by Google •

Tip by

2

3.24 km

Camping at Lake Nantua

Highlight • Rest Area

Perfect for an overnight stop for bike packing trips. The location is excellent, right by the lake. There are beautiful landscapes and it is close to the shops and restaurants of the village.

Translated by Google •

Tip by

3

28.0 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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4

28.5 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

5

37.0 km

Lac de Conflans

Highlight • Lake

This magnificent lake lies at the confluence of the Ain and Valouse rivers. It is located at the foot of the medieval Château de Conflans.

Translated by Google •

Tip by

6

39.4 km

Restaurant le Pont

Highlight • Restaurant

A café in the small village of Thierette. It is a very beautiful place next to the Ain river. It's just over the river and a nice place to take a break.

Translated by Google •

Tip by

42.8 km

Col de Matafelon

Mountain Pass

8

57.7 km

Lac de Nantua

Highlight • Lake

Lake Nantua is of glacial origin and is 141 hectares. The limestone cliffs offer a magnificent contrast with the emerald or sapphire water, depending on the day. Alexandre Dumas described …

Translated by Google •

Tip by

9

59.4 km

Lac de Nantua

Highlight • Lake

Beautiful lake for swimming

Translated by Google •

Tip by

B

60.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

48.3 km

6.06 km

3.25 km

1.06 km

705 m

639 m

< 100 m

Surfaces

54.5 km

3.51 km

956 m

748 m

460 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

Powered by Foreca

Tuesday 7 July

32°C

12°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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