Sleipnir

Col du Grand Saint-Bernard from Orsières (Schweiz/Suisse/Svizzera/Svizra)

Col du Grand Saint-Bernard from Orsières (Schweiz/Suisse/Svizzera/Svizra): 25.5 km at 6.3% average and 1,605 m of climbing, up to 2,469 m.

Hors département

Distance
25.5 km
Elevation gain
1,605 m
Average gradient
6.3 %
Start altitude
872 m
Road
Main road
Surface
Paved throughout
Steepest 500 m
13.7 %
Hardest 2 km
9.9 %
Hardest kilometre
km 22 · 10.5%
Above 8%
6.9 km (27% of the climb)
Difficulty index
11.5 Very hard

FIETS index: Δaltitude² / (10 × distance) + max(0, summit altitude − 1,000) / 1,000, lengths in metres. How this index works (article in French)

See your own times on this climb

How long does it take?

Estimated climbing time, by level
Level Estimated time Average speed
2.0 W/kg — 140 W 2h47 9.2 km/h
3.0 W/kg — 210 W 1h55 13.3 km/h
4.0 W/kg — 280 W 1h29 17.1 km/h

Estimated for a 70 kg rider on a 9 kg bike, in still air, at a steady effort and without stopping. Wind, a stop at the fountain or a wheel to sit on move these figures by several minutes.

The route

5101520255 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap
5101520252 km© IGN – PLAN IGN v2 · © les contributeurs d’OpenStreetMap

Climb profile

1,0001,5002,0000510152025mkm

Kilometre by kilometre

Gradient and altitude, kilometre by kilometre
Km Gradient Altitude at the top of the km
1 6.2 % 934 m
2 4.8 % 981 m
3 7.3 % 1,055 m
4 6.9 % 1,124 m
5 5.4 % 1,178 m
6 4.7 % 1,225 m
7 6.2 % 1,287 m
8 5.1 % 1,338 m
9 5.5 % 1,393 m
10 6.8 % 1,461 m
11 4.7 % 1,508 m
12 6.3 % 1,571 m
13 5.4 % 1,625 m
14 6.4 % 1,689 m
15 6.4 % 1,753 m
16 6.4 % 1,816 m
17 4.2 % 1,859 m
18 3.1 % 1,889 m
19 2.6 % 1,916 m
20 4.7 % 1,963 m
21 8.4 % 2,047 m
22 10.5 % 2,152 m
23 8.3 % 2,235 m
24 9.7 % 2,332 m
25 7.3 % 2,405 m
26 (partial) 12.6 % 2,474 m

The other climbs of this col

Frequently asked questions

How long is the climb to Col du Grand Saint-Bernard?

The hardest climb of Col du Grand Saint-Bernard, from Orsières (Schweiz/Suisse/Svizzera/Svizra), is 25.5 km long for 1,605 m of ascent, i.e. 6.3% average.

What is the steepest part of Col du Grand Saint-Bernard?

The steepest 500 m sits at 13.7%, and the hardest kilometre is the 22th, at 10.5%.

How long does it take to climb Col du Grand Saint-Bernard from Orsières (Schweiz/Suisse/Svizzera/Svizra)?

Col du Grand Saint-Bernard from Orsières (Schweiz/Suisse/Svizzera/Svizra) takes about 1h55 at 3.0 W/kg, i.e. 13.3 km/h on average. The page gives three levels and their assumptions.

Col du Grand Saint-Bernard: add this col to your collection

Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.

Create an account

Free during the beta, no card required — places are limited.

A Polar watch syncs on its own; with any other watch, import your GPX or TCX files.

Garmin or Coros? Let me know when it’s ready

Which watch?