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Road cycling routes

Auvergne Rhône Alpes

Col de Fay – Fosses Pass loop from Peyrieu

Road cycling routes

Auvergne Rhône Alpes

Col de Fay – Fosses Pass loop from Peyrieu

Hard

69

riders

Col de Fay – Fosses Pass loop from Peyrieu

04:57

99.6km

1,530m

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: April 21, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

34.2 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...

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2

49.0 km

Col de Fay

Highlight • Mountain Pass

Nice flexible rise in postcard decorations.

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3

49.6 km

View of the Vallée Bleue

Highlight • Other

View of the Blue Valley of Montalieu-Vercieu during the descent from the Col de Fay.

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59.1 km

Col de Portes

Mountain Pass

5

73.0 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 …

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6

76.8 km

Col des Fosses (745 m)

Highlight • Mountain Pass

Pass accessible from Appregnin or Lhuis, located at an altitude of 745 m.

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7

77.0 km

Fosses Pass

Highlight • Mountain Pass

Little traffic.
Beautiful panoramas of the Alps on the east side.

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8

78.1 km

Lac d'Ambléon

Highlight • Lake

A small altitude lake in the heart of Bugey. Easily accessible: on the roadside.

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9

83.0 km

Departure from Col des Fosses in Appregnin (information panel)

Highlight • Other

All the information you need about the upcoming climb: length, average gradient, etc.
A great initiative from the Ain Department.

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B

99.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

98.2 km

1.32 km

194 m

Surfaces

98.8 km

794 m

130 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

Tuesday 19 May

24°C

12°C

5 %

Additional weather tips

Max wind speed: 8.0 km/h

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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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