Altigraphs
HC

Arette_Col de Labays_ Col La Pierre StMartin

Northern ascent from Starting point unknown

Elevation profile

315 m → 1619 m
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest kilometre: km 20 at 11% — peaks at 17.5%
Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

1599 m Ascent
29.60 km Length
5.4% Average
20% Maximum
1619 m Summit altitude
339 Difficulty

Kilometre by kilometre

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Km Altitude Gain Average Max Gradient
1 331 m +16 m 1.6% 3%
2 352 m +21 m 2.1% 8%
3 438 m +86 m 8.6% 14%
4 488 m +51 m 5.1% 9%
5 532 m +59 m 5.9% 11%
6 597 m +65 m 6.5% 11%
7 518 m +0 m 0% 0%
8 435 m +0 m 0% 0%
9 427 m +31 m 3.1% 9%
10 439 m +20 m 2% 10%

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 339?

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

Arette_Col de Labays_ Col La Pierre StMartin, Starting point unknown 339

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Conditions at the summit

13°
Clear · feels like 10°
Wind 5 km/h SE
Updated Just now
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