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

Chamrousse

North-western ascent from Belmont
GPX Profile
Length
17.6 km
Height gain
1308 m
Average
7.4%
Steepest km
9.2%
Summit altitude
1716 m
Difficulty
292
2 ways up · this is the hardest Compare all 2

Elevation profile

408 m → 1716 m Touch or hover to inspect
Elevation profile: Chamrousse from Belmont
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 8 at 9.2%

Climb analysis

Where the climbing is

0–4%
0.9 km
4–6%
3.0 km
6–8%
7.5 km
8–10%
4.3 km
10–14%
2.0 km
14%+
0.0 km

Hardest sustained

1 km · km 7.2–8.2
10.4%
2 km · km 6.0–8.0
9.1%
5 km · km 3.2–8.2
8.6%

Time to the top

1h 29 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%
1 493 m 8.6%
2 573 m 7.9%
3 647 m 7.4%
4 726 m 8.0%
5 805 m 7.9%
6 883 m 7.8%
7 974 m 9.1%
8 1065 m 9.2%
9 1127 m 6.2%
10 1199 m 7.2%

Route map

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

About Chamrousse

How long and how steep?
From Belmont, Chamrousse is 17.6 km long and climbs 1,308 m at an average of 7.4%, to a summit at 1,716 m. Its steepest kilometre, km 8, averages 9.2%.
How long does it take?
At 3 W/kg it takes about 1 h 29 min to reach the top, at 4 W/kg about 1 h 08 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 292. It's the hardest of the 2 ways up to Chamrousse.
Where is it?
It's in Isère, Auvergne-Rhône-Alpes, France.

How hard is 292?

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

Col de Pailhères, Ax-les-Thermes 292
Puerto La Ragua, Cherin 292
Chamrousse, Belmont 292
Idemine Toge, Iriyamabe 292
Pico Villuercas, Rotura de Cabañas 292

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Added by manunogueiramartinez2010 · 1 contributor

Climbs nearby

Col du Luitel From Uriage-les-Bains · starts here
11.1 km +858 m 7.8%
Chamrousse From Saint-Martin-d'Uriage · starts 3.2 km away
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Côte de Laffrey From Vizille · starts 7.3 km away
6.9 km +617 m 8.9%
Col de Luitel From Séchilienne · starts 8.5 km away
9.7 km +898 m 9.2%