Col du Grand Saint-Bernard from Aosta - Aoste (Italia)
Col du Grand Saint-Bernard from Aosta - Aoste (Italia): 32.3 km at 5.9% average and 1,903 m of climbing, up to 2,469 m.
Hors département
- Distance
- 32.3 km
- Elevation gain
- 1,903 m
- Elevation loss
- 21 m
- Average gradient
- 5.9 %
- Start altitude
- 592 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 12.5 %
- Hardest 2 km
- 8.6 %
- Hardest kilometre
- km 6 · 10.1%
- Above 8%
- 9.8 km (30% of the climb)
- Difficulty index
- 12.4 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)
How long does it take?
| Level | Estimated time | Average speed |
|---|---|---|
| 2.0 W/kg — 140 W | 3h20 | 9.7 km/h |
| 3.0 W/kg — 210 W | 2h18 | 14.0 km/h |
| 4.0 W/kg — 280 W | 1h48 | 17.9 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
Climb profile
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
Kilometre by kilometre
| Km | Gradient | Altitude at the top of the km |
|---|---|---|
| 1 | 6.5 % | 657 m |
| 2 | 5.9 % | 717 m |
| 3 | 5.2 % | 769 m |
| 4 | 4.7 % | 816 m |
| 5 | 3.1 % | 846 m |
| 6 | 10.1 % | 948 m |
| 7 | 6.8 % | 1,016 m |
| 8 | 7.3 % | 1,088 m |
| 9 | 5.1 % | 1,140 m |
| 10 | 3.9 % | 1,179 m |
| 11 | 2.5 % | 1,204 m |
| 12 | 1.3 % | 1,217 m |
| 13 | 3.5 % | 1,251 m |
| 14 | 1.5 % | 1,267 m |
| 15 | 5.5 % | 1,322 m |
| 16 | 6.5 % | 1,388 m |
| 17 | 7.0 % | 1,458 m |
| 18 | 5.0 % | 1,508 m |
| 19 | 5.3 % | 1,561 m |
| 20 | 6.7 % | 1,628 m |
| 21 | 7.1 % | 1,699 m |
| 22 | 3.9 % | 1,738 m |
| 23 | 8.3 % | 1,821 m |
| 24 | 5.8 % | 1,879 m |
| 25 | 6.8 % | 1,947 m |
| 26 | 7.6 % | 2,023 m |
| 27 | 8.3 % | 2,105 m |
| 28 | 7.5 % | 2,180 m |
| 29 | 6.6 % | 2,247 m |
| 30 | 7.8 % | 2,325 m |
| 31 | 7.8 % | 2,402 m |
| 32 | 6.0 % | 2,463 m |
| 33 (partial) | 3.8 % | 2,474 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Orsières (Schweiz/Suisse/Svizzera/Svizra) 25.5 km · 6.3 %
Frequently asked questions
How long is the climb to Col du Grand Saint-Bernard?
The hardest climb of Col du Grand Saint-Bernard, from Aosta - Aoste (Italia), is 32.3 km long for 1,903 m of ascent, i.e. 5.9% average.
What is the steepest part of Col du Grand Saint-Bernard?
The steepest 500 m sits at 12.5%, and the hardest kilometre is the 6th, at 10.1%.
How long does it take to climb Col du Grand Saint-Bernard from Aosta - Aoste (Italia)?
Col du Grand Saint-Bernard from Aosta - Aoste (Italia) takes about 2h18 at 3.0 W/kg, i.e. 14.0 km/h on average. The page gives three levels and their assumptions.
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