Altigraphs
HC

Col de la Croix de Fer

South-western ascent from Barrage du Verney (Allemond)

Elevation profile

730 m → 2064 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 16 at 11.6% — peaks at 22.1%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1582 m Ascent
28.87 km Length
5.48% Average
87% Maximum
2064 m Summit altitude
321 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 770 m +46 m 4.6% 20%
2 767 m +10 m 1% 25%
3 768 m +24 m 2.4% 23%
4 807 m +67 m 6.7% 36%
5 827 m +43 m 4.3% 24%
6 906 m +92 m 9.2% 39%
7 976 m +103 m 10.3% 38%
8 1057 m +94 m 9.4% 32%
9 1150 m +96 m 9.6% 21%
10 1248 m +104 m 10.4% 33%

Route map

Paved Unpaved Cobblestone Unknown
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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 321?

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

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Conditions at the summit

Clear · feels like 6°
Wind 4 km/h SW
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