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Road cycling routes
France
Auvergne Rhône Alpes
La Tour-Du-Pin
Creys-Mépieu

Cerin Peat Bog – Groslée Bridge loop from Creys

Hard

4.4

(7)

60

riders

Cerin Peat Bog – Groslée Bridge loop from Creys

03:22

62.8km

1,140m

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: May 25, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 62.1 km for 175 m

Waypoints

A

Start point

Bus stop

Get Directions

1

13.0 km

Start of the Col de Portes from Serrières-de-Briord

Highlight • Other

Sign for the start of the Col de Portes starting from Serrières-de-Briord, with indications of altitude, difference in altitude, average slope...

Translated by Google •

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2

17.1 km

Start of the climb towards the Col de Portes from Bénonces.

Translated by Google •

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3

17.1 km

Col de Portes via Bénonces

Highlight (Segment) • Other

About 8 Km around 7%.

Translated by Google •

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24.8 km

Col de Portes

Mountain Pass

5

38.1 km

Église d'Innimond

Highlight • Other

Beautiful church which stands out, visible from the climb via the Col des Fosses.

Translated by Google •

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6

39.6 km

Cerin Peat Bog

Highlight • Other

Cerin Lake, also known as the Cerin Peat Bog, is subject to various environmental protections. The early development of its formation compared to other lakes in the Jura Mountains makes …

Translated by Google •

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43.4 km

Col des Fosses

Mountain Pass

8

43.4 km

"Col des Fosses from Lhuis

Highlight (Segment) • Other

Here is the route for the ascent of the Col des Fosses from Lhuis

Translated by Google •

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9

56.2 km

Groslée Bridge

Highlight • Bridge

Bridge over Rhône which allows to pass from Ain to Isère, placed on Via Rhôna

Translated by Google •

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B

62.8 km

End point

Bus stop

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Way Types & Surfaces

Way Types

60.6 km

1.17 km

880 m

226 m

< 100 m

Surfaces

57.6 km

5.15 km

149 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 (1,000 m)

Lowest point (200 m)

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Weather

Powered by Foreca

Monday 3 August

36°C

22°C

77 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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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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