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HC Where this climb is: SavoyAuvergne-Rhône-Alpes, France

Col du Grand Cucheron

Western ascent from Les Curtets
Length
17.7 km
Height gain
878 m
Average
5.0%
Steepest km
9.5%
Summit altitude
1183 m
Difficulty
215
2 ways up · this is the hardest Compare all 2

Elevation profile

305 m → 1183 m Touch or hover to inspect
Elevation profile: Col du Grand Cucheron from Les Curtets
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 16 at 9.5%

Climb analysis

Where the climbing is

0–4%
6.3 km
4–6%
2.3 km
6–8%
2.3 km
8–10%
7.0 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 15.0–16.0
9.5%
2 km · km 14.6–16.6
9.0%
5 km · km 1.0–6.0
8.4%

Time to the top

1h 11 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%
1 359 m 5.4%
2 441 m 8.2%
3 523 m 8.2%
4 610 m 8.7%
5 697 m 8.7%
6 781 m 8.4%
7 825 m 4.4%
8 868 m 4.3%
9 894 m 2.7%
10 863 m −3.2%

Route map

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

About Col du Grand Cucheron

How long and how steep?
From Les Curtets, Col du Grand Cucheron is 17.7 km long and climbs 878 m at an average of 5.0%, to a summit at 1,183 m. Its steepest kilometre, km 16, averages 9.5%.
How long does it take?
At 3 W/kg it takes about 1 h 11 min to reach the top, at 4 W/kg about 56 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 215. It's the hardest of the 2 ways up to Col du Grand Cucheron.
Where is it?
It's in Savoy, Auvergne-Rhône-Alpes, France.

How hard is 215?

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

Help complete this climb

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Added by Thutmose · 1 contributor

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