Coll de Boix

from Coll de Nargó · Southern Pyrenees, Spain

Gradient:
<4%
4–7%
7–10%
10–12%
>12%

GRADIENT PROFILE

7.22.55.83.66.15.24.18.44.35.57.61.3-0.4012345678910111213141516km527m1256m
<4%4–7%7–10%10–12%>12%

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

From Coll de Nargó, Coll de Boix climbs 16.5 km at 4.4% average, gaining 728 m to the 1 257 m summit, ramping to 17.8%. Its steepest kilometre averages 11.5% near km 8. On the Fiets scale this side rates 3.5. It is the tougher of the climb's two approaches.

Surface

Asphalt99%
Gravel1%

Verified from OpenStreetMap surface data along the climb.