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Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Belley
Lhuis

View of the Tourbière de Cerin – Lac d'Ambléon loop from Lhuis

Routes
Bike touring routes & trails
France
Auvergne Rhône Alpes
Belley
Lhuis

View of the Tourbière de Cerin – Lac d'Ambléon loop from Lhuis

Expert

5.0

(1)

28

riders

View of the Tourbière de Cerin – Lac d'Ambléon loop from Lhuis

03:22

47.2km

980m

Expert 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: October 31, 2025

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Waypoints

A

Start point

Bus stop

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1

8.67 km

View of the Tourbière de Cerin

Highlight • Viewpoint

Viewpoint from the road to Innimont on the Cerin peat bog.

Translated by Google •

Tip by

2

10.4 km

View of Innimond and its church

Highlight • Other

Beautiful road with beautiful asphalt with a beautiful view of the village and the mountains in the background

Translated by Google •

Tip by

3

17.3 km

4

27.0 km

Sainte Anne Chapel in Contrevoz

Highlight • Religious Site

A vaulted chapel in the Neo-Gothic style, founded in 1684. A pilgrimage takes place there every July 26th. It is located in a small wooded area.

ain-tourisme.com/fiches/Contrevoz/Site-et-monument-historiques/La-Chapelle-Sainte-Anne/601272

montagnes-du-jura.fr/eglises-abbayes/la-chapelle-sainte-anne

Translated by Google •

Tip by

5

28.3 km

Contrevoz Washhouse

Highlight • Other

Well-covered and closed washhouse. Can be used as a shelter or bivouac. Book box.

Translated by Google •

Tip by

6

39.1 km

Lac d'Ambléon

Highlight • Lake

Nice break point, after passing the col des fosses

Translated by Google •

Tip by

7

40.5 km

Col des Fosses, alt. 745 m

Highlight • Other

B

47.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

45.4 km

890 m

753 m

< 100 m

Surfaces

43.3 km

2.82 km

690 m

298 m

< 100 m

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Elevation

Elevation

Highest point (930 m)

Lowest point (360 m)

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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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Easy
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Intermediate
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Corresponds approx. to SAC 2-3.
Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Intermediate
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Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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How to understand each route’s difficulty level

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Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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How to understand each route’s difficulty level

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Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Road Bike

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Easy
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Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
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Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
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Corresponds approx.to SAC 1.
Intermediate
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Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
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How to understand each route’s difficulty level

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Road Bike

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Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
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How to understand each route’s difficulty level

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Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Easy

1

The border between Isère and Savoie — loop from Pont-de-Beauvoisin

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