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Routes
Road cycling routes
France
Auvergne Rhône Alpes
Nantua
Brion

Lake Nantua – Col de Bérentin loop from Brion - Montréal-la-Cluse

Routes
Road cycling routes
France
Auvergne Rhône Alpes
Nantua
Brion

Lake Nantua – Col de Bérentin loop from Brion - Montréal-la-Cluse

Hard

5.0

(1)

32

riders

Lake Nantua – Col de Bérentin loop from Brion - Montréal-la-Cluse

04:01

78.9km

1,340m

Road cycling

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

Last updated: March 30, 2026

Waypoints

A

Start point

Train Station

Get Directions

1

4.70 km

Lake Nantua

Highlight • Lake

This glacial lake backed by limestone cliffs is sometimes sapphire and sometimes emerald in color - Alexandre Dumas wrote in his book Impression de voyage in 1834: “This pretty little …

Translated by Google •

Tip by

2

19.3 km

Col de Bérentin

Highlight • Mountain Pass

Small pass in the Jura between Saint-Germain-de-Joux and Valromey.

Translated by Google •

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3

38.4 km

Sign indicating the start of the Col de la Rochette from Ruffieu with the altitude of the summit, the average and total elevation, etc.

Translated by Google •

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4

44.4 km

Rochette Pass

Highlight • Mountain Pass

Nice climb that is uncrowded.

Translated by Google •

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46.6 km

Passage de la Pierre Taillée

Mountain Pass

6

55.1 km

Champdor Castle

Highlight • Other

Beautiful castle in Champdor which sometimes hosts events.

Translated by Google •

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65.0 km

Bief du Cor

Lake

8

73.8 km

Saint Martin Church

Highlight • Other

In Saint-Martin-du-Frêne, built between 1868 and 1873.

Translated by Google •

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B

78.9 km

End point

Train Station

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Way Types & Surfaces

Way Types

65.3 km

10.1 km

3.25 km

292 m

< 100 m

< 100 m

Surfaces

78.5 km

332 m

< 100 m

< 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 (1,160 m)

Lowest point (480 m)

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Weather

Powered by Foreca

Tuesday 19 May

19°C

9°C

13 %

Additional weather tips

Max wind speed: 11.0 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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4.6

230

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