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HC Where this climb is: Aosta Valley, Italy

Col du Grand-Saint-Bernard

South-eastern ascent
Length
29.0 km
Height gain
1873 m
Average
6.5%
Steepest km
22.9%
Summit altitude
2470 m
Difficulty
726
2 ways up · this is the hardest Compare all 2

Elevation profile

594 m → 2470 m Touch or hover to inspect
Elevation profile: Col du Grand-Saint-Bernard
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 24 at 22.9%

Climb analysis

Where the climbing is

0–4%
8.5 km
4–6%
6.2 km
6–8%
9.3 km
8–10%
0.8 km
10–14%
0.8 km
14%+
3.5 km

Hardest sustained

1 km · km 23.0–24.0
23.0%
2 km · km 22.5–24.5
22.0%
5 km · km 21.4–26.4
15.7%

Time to the top

2h 18 at 3 W/kg · 70 kg rider + 8 kg bike, no wind
How this is calculated

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 647 m 5.0%
2 699 m 5.2%
3 743 m 4.5%
4 793 m 5.0%
5 850 m 5.7%
6 872 m 2.2%
7 914 m 4.2%
8 966 m 5.2%
9 1025 m 5.9%
10 1089 m 6.3%

Route map

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Directions
Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

How hard is 726?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Help complete this climb

Riders’ photos, notes and corrections make every profile better.

Add a photo No photos yet — the last kilometre, the summit sign Write a rider note Traffic, water, where it really bites Map a tunnel Mark where the road goes underground Report a road type Not mapped yet — paved, unpaved or cobbles
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Added by altigraphs · 1 contributor

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