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HC Aosta Valley, Italy

Col du Grand-Saint-Bernard

South-eastern ascent

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GPX

Length: 34.0 km
Height gain: 1873 m
Average: 5.5%
Steepest km: 7.9%
Summit altitude: 2470 m
Difficulty: 336

Aosta Valley · 10 climbs

2 ways up Compare all 2

Aosta 34.5 km, 5.4% average, 1876 m height gain
South-eastern ascent 34.0 km, 5.5% average, 1873 m height gain

Elevation profile

594 m → 2470 m Touch or hover to inspect

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest km: km 30 at 7.9%

Climb analysis

Where the climbing is

0–4%: 7.8 km
4–6%: 7.5 km
6–8%: 16.3 km
8–10%: 1.8 km
10–14%: 0.5 km
14%+: 0.3 km

Hardest sustained

1 km · km 31.8–32.8: 8.4%
2 km · km 28.0–30.0: 7.8%
5 km · km 27.8–32.8: 7.7%

Time to the top

2h 19 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

How this is calculated

Kilometre by kilometre

Export CSV

Km	Altitude	Gain	Gradient	Max
1	647 m	+50 m	5.0%	7.0%
2	699 m	+52 m	5.2%	6.4%
3	744 m	+45 m	4.5%	5.8%
4	794 m	+50 m	5.0%	6.0%
5	850 m	+56 m	5.6%	7.6%
6	872 m	+22 m	2.2%	7.0%
7	916 m	+44 m	4.4%	14.2%
8	967 m	+51 m	5.1%	18.2%
9	1026 m	+59 m	5.9%	7.2%
10	1089 m	+63 m	6.3%	7.8%
11	1147 m	+58 m	5.8%	6.8%
12	1181 m	+34 m	3.4%	6.0%
13	1205 m	+23 m	2.3%	33.6%
14	1220 m	+15 m	1.5%	3.2%
15	1253 m	+33 m	3.3%	5.4%
16	1262 m	+9 m	0.9%	5.8%
17	1326 m	+64 m	6.4%	9.2%
18	1382 m	+55 m	5.5%	6.8%
19	1448 m	+67 m	6.7%	12.4%
20	1519 m	+71 m	7.1%	10.8%
21	1575 m	+56 m	5.6%	8.6%
22	1643 m	+68 m	6.8%	11.2%
23	1711 m	+68 m	6.8%	8.2%
24	1765 m	+54 m	5.4%	9.2%
25	1838 m	+73 m	7.3%	8.2%
26	1905 m	+67 m	6.7%	8.4%
27	1969 m	+63 m	6.3%	8.2%
28	2046 m	+77 m	7.7%	9.0%
29	2122 m	+76 m	7.6%	8.8%
30	2201 m	+79 m	7.9%	9.2%
31	2270 m	+69 m	6.9%	8.2%
32	2344 m	+74 m	7.4%	8.2%
33	2420 m	+76 m	7.6%	14.4%
34	2470 m	+50 m	5.1%	8.4%

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About Col du Grand-Saint-Bernard

How long and how steep?: Col du Grand-Saint-Bernard is 34.0 km long and climbs 1,873 m at an average of 5.5%, to a summit at 2,470 m. Its steepest kilometre, km 30, averages 7.9%.
How long does it take?: At 3 W/kg it takes about 2 h 19 min to reach the top, at 4 W/kg about 1 h 48 min (70 kg rider, 8 kg bike, no wind).
What category is it?: It's an HC (hors catégorie) climb, with a difficulty score of 336.
Where is it?: It's in Aosta Valley, Italy.

How hard is 336?

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

Alpe Teglio, Tresenda 338

Col du Mont Cenis, Susa 337

Col du Grand-Saint-Bernard 336

Signal de Bisanne, Etraz 336

Sierra Nevada, Pinos Genil 336

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