Col de Fay – Cerin Peat Bog loop from Porcieu - Pont de Sault-Brénaz
Col de Fay – Cerin Peat Bog loop from Porcieu - Pont de Sault-Brénaz
4.0
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268
riders
Col de Fay – Cerin Peat Bog loop from Porcieu - Pont de Sault-Brénaz
04:32
81.4km
1,750m
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: August 21, 2026
Waypoints
Start point
Train Station
9.62 km
Col de Fay
Highlight • Mountain Pass
Translated by Google •
Tip by
10.3 km
View of the Vallée Bleue
Highlight • Other
Translated by Google •
Tip by
19.7 km
Col de Portes via Bénonces
Highlight (Segment) • Other
Translated by Google •
Tip by
27.5 km
Start of the Climb to Col de Portes
Highlight • Climb
Translated by Google •
Tip by
49.7 km
Cerin Peat Bog
Highlight • Other
Translated by Google •
Tip by
69.4 km
Montagnieu
Highlight • Other
Translated by Google •
Tip by
73.4 km
Start of the Col de Portes from Serrières-de-Briord
Highlight • Other
Translated by Google •
Tip by
81.4 km
End point
Train Station
Way Types & Surfaces
Way Types
80.3 km
1.09 km
< 100 m
< 100 m
Surfaces
78.5 km
3.03 km
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Highest point (1,000 m)
Lowest point (200 m)
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Sign up for freeWeather
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Tuesday 13 October
20°C
11°C
0 %
Additional weather tips
Max wind speed: 12.0 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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