Lac d'Ambléon – Fosses Pass loop from Porcieu - Pont de Sault-Brénaz
Lac d'Ambléon – Fosses Pass loop from Porcieu - Pont de Sault-Brénaz
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riders
Lac d'Ambléon – Fosses Pass loop from Porcieu - Pont de Sault-Brénaz
03:40
70.6km
1,270m
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 13, 2026
Waypoints
Start point
Train Station
Get Directions
9.43 km
Start of the Col de Portes from Serrières-de-Briord
Highlight • Other
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13.5 km
Start of the Climb to Col de Portes
Highlight • Climb
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30.5 km
Préveysieu Orientation Table
Highlight • Viewpoint
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40.3 km
Departure from Col des Fosses in Appregnin (information panel)
Highlight • Other
A great initiative from the Ain Department.
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45.1 km
Lac d'Ambléon
Highlight • Lake
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46.3 km
Fosses Pass
Highlight • Mountain Pass
Beautiful panoramas of the Alps on the east side.
Translated by Google •
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46.5 km
Col des Fosses (745 m)
Highlight • Mountain Pass
Translated by Google •
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59.9 km
Montagnieu
Highlight • Other
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70.6 km
End point
Train Station
Way Types & Surfaces
Way Types
63.4 km
6.33 km
764 m
154 m
Surfaces
69.2 km
1.39 km
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Elevation
Highest point (900 m)
Lowest point (200 m)
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Weather
Powered by Foreca
Thursday 9 July
36°C
15°C
14 %
Additional weather tips
Max wind speed: 9.0 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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