Altigraphs
HC

Col Saint-Martin (La Colmiane) via Valdeblore

Western ascent from Starting point unknown — the hardest of the 2 ways up
2 ways up
From Starting point unknown 16.4 km · 6.3% From Starting point unknown 7.4 km · 7.0%
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Elevation profile

472 m → 1502 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 2 at 11.7% — peaks at 23%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1040 m Ascent
16.39 km Length
6.34% Average
71% Maximum
1502 m Summit altitude
182 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 558 m +116 m 11.6% 59%
2 633 m +117 m 11.7% 71%
3 698 m +94 m 9.4% 49%
4 750 m +60 m 6% 23%
5 807 m +68 m 6.8% 34%
6 865 m +68 m 6.8% 43%
7 923 m +70 m 7% 52%
8 977 m +61 m 6.1% 27%
9 1017 m +47 m 4.7% 28%
10 1085 m +72 m 7.2% 49%

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 182?

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

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Conditions at the summit

14°
Clear · feels like 12°
Wind 5 km/h E
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