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

Col du Mont-Cenis

North-western ascent from Lanslebourg
GPX Profile
Length
9.9 km
Height gain
685 m
Average
6.9%
Steepest km
8.6%
Summit altitude
2083 m
Difficulty
143
4 ways up Compare all 4
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Elevation profile

1398 m → 2083 m Touch or hover to inspect
Elevation profile: Col du Mont-Cenis from Lanslebourg
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 7 at 8.6%

Climb analysis

Where the climbing is

0–4%
0.1 km
4–6%
2.5 km
6–8%
5.3 km
8–10%
2.0 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 6.0–7.0
8.6%
2 km · km 6.1–8.1
8.2%
5 km · km 3.3–8.3
7.9%

Time to the top

0h 47 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 1454 m 5.6%
2 1512 m 5.9%
3 1565 m 5.3%
4 1638 m 7.3%
5 1713 m 7.5%
6 1790 m 7.7%
7 1876 m 8.6%
8 1955 m 7.9%
9 2031 m 7.6%
10 2083 m 6.0%

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 Mont-Cenis

How long and how steep?
From Lanslebourg, Col du Mont-Cenis is 9.9 km long and climbs 685 m at an average of 6.9%, to a summit at 2,083 m. Its steepest kilometre, km 7, averages 8.6%.
How long does it take?
At 3 W/kg it takes about 47 min to reach the top, at 4 W/kg about 36 min (70 kg rider, 8 kg bike, no wind).
What category is it?
It's a category 1 climb, with a difficulty score of 143.
Where is it?
It's in Savoy, Auvergne-Rhône-Alpes, France.

How hard is 143?

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

Coirego, Carballeira San Xusto 143
Monte Ventolone, Arquà Petrarca 143
Col du Mont-Cenis, Lanslebourg 143
Climb to Madonna di Ghisallo, Bellagio 143
Puerto da Garganta, A Veiga / Vegadeo 143

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