Col du Grand Saint-Bernard

Col du Grand Saint-Bernard is a Hors Catégorie cycling climb, cresting at 2 469 m. Its hardest ascent, from Gignod, covers 30.6 km at 5.5% average, gaining 1 693 m, with ramps up to 11.8%. The steepest kilometre averages 9.8%, around km 29.1. It can also be climbed from Bourg-Saint-Pierre (6.7 km at 8.4%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 10.8, among the region's hardest. Above the treeline the summit holds snow well into spring, so the dependable riding window runs roughly June to October.

RIDE THE CLIMB — FROM GIGNOD

KM 0.3

KM 0.8

KM 2.3

KM 4.3

KM 5.9

KM 6.9

KM 7.4

KM 7.9

KM 8.4

KM 9.4

KM 9.9

KM 10.5

KM 11.0

KM 11.5

KM 12.0

KM 13.5

KM 14.0

KM 15.0

KM 15.6

KM 16.6

KM 17.1

KM 17.6

KM 18.1

KM 18.6

KM 19.1

KM 19.6

KM 20.1

KM 20.7

KM 21.2

KM 21.7

KM 22.2

KM 22.7

KM 23.2

KM 23.7

KM 24.7

KM 25.3

KM 25.8

KM 26.3

KM 26.8

KM 27.3

KM 27.8

KM 28.3

KM 28.8

KM 29.3

KM 29.8

KM 30.4

KM 30.6