Colle del Gran San Bernardo from Aosta via Porossan
Colle del Gran San Bernardo from Aosta via Porossan
Highlight (Segment) • Mountain Pass
Colle del Gran San Bernardo from Aosta via Porossan
Road cycling
5.0
(6)
Gravel riding
5.0
(1)
Access to this Highlight may be restricted or limited.
Check ahead to confirm restricted segments are open to the public.
Tips
April 9, 2025
Road cycling
•
July 10, 2026
Road cycling
Traffic from Etroubles to the entrance of the tunnel (watch out for heavy vehicles), then the situation normalizes.
From Saint Rhémy onwards, possible very annoying headwind.
July 10, 2026
Road cycling
Traffic from Etroubles to the entrance of the tunnel (watch out for heavy vehicles), then the situation normalizes.
From Saint Rhémy onwards, possible very annoying headwind.
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Nearby routes
Best routes near Colle del Gran San Bernardo from Aosta via Porossan
Details
Informations
Distance 37.7 km
Uphill 2,970 m
Downhill 1,130 m
Weather
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Thursday 13 August
32°C
20°C
80 %
Additional weather tips
Max wind speed: 2.0 km/h
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