Col de la Pierre Saint-Martin

from Arette · Pyrenees, France

Gradient:
<4%
4–7%
7–10%
10–12%
>12%

GRADIENT PROFILE

11.23.78.79.39.58.25.04.12.5024681012141618202224km337m1762m
<4%4–7%7–10%10–12%>12%

Km-by-km average gradient from Copernicus GLO-30 elevation data along the road.

The Arette approach to Col de la Pierre Saint-Martin covers 24.4 km at 5.8% average, 1 425 m of ascent to the 1 765 m summit, with pitches to 16.2%. Its steepest kilometre averages 13.7% near km 14.6. On the Fiets scale this side rates 9.1. It is the tougher of the climb's two approaches.

Surface

Asphalt99%
Gravel1%

Verified from OpenStreetMap surface data along the climb.