Montée vers le col de Portes – Groslée Bridge loop from Porcieu - Pont de Sault-Brénaz
Montée vers le col de Portes – Groslée Bridge loop from Porcieu - Pont de Sault-Brénaz
37
riders
Montée vers le col de Portes – Groslée Bridge loop from Porcieu - Pont de Sault-Brénaz
03:01
70.8km
520m
Road cycling
Moderate road ride. 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 7, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Réserve naturelle nationale du Haut-Rhône français
Waypoints
Start point
Train Station
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9.65 km
Montée vers le col de Portes
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Translated by Google •
Tip by
21.9 km
Start of the Col de Portes from Serrières-de-Briord
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31.2 km
Golet du Tilleul
Mountain Pass
36.1 km
Groslée Bridge
Highlight • Bridge
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65.6 km
Many restaurants open on Sundays
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65.7 km
Vallée Bleue Lake
Highlight • Lake
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66.0 km
Rond point du petit train
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70.8 km
End point
Train Station
Way Types & Surfaces
Way Types
51.3 km
18.4 km
892 m
197 m
< 100 m
< 100 m
Surfaces
68.4 km
2.00 km
281 m
148 m
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Elevation
Highest point (430 m)
Lowest point (190 m)
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Weather
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Monday 25 May
34°C
17°C
0 %
Additional weather tips
Max wind speed: 7.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.