Altigraphs
HC

Le Grand Ballon

South-eastern ascent from Uffholtz — the hardest of the 2 ways up
2 ways up
From Uffholtz 21.6 km · 5.4% From Willer-sur-Thur 15.5 km · 6.2%
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Elevation profile

302 m → 1340 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 20 at 8.6% — peaks at 8.2%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1159 m Ascent
21.56 km Length
5.38% Average
10% Maximum
1340 m Summit altitude
235 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 338 m +36 m 3.6% 6%
2 394 m +56 m 5.6% 8%
3 460 m +66 m 6.6% 10%
4 533 m +73 m 7.3% 10%
5 603 m +70 m 7% 9%
6 677 m +74 m 7.4% 10%
7 746 m +69 m 6.9% 9%
8 819 m +72 m 7.2% 9%
9 826 m +29 m 2.9% 9%
10 852 m +32 m 3.2% 7%

Route map

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Photos

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Rider notes

What it is actually like, from people who have ridden it
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How hard is 235?

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

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Conditions at the summit

11°
Partly cloudy · feels like 9°
Wind 7 km/h NW
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