Puerto de El Portillón
from Arenas de Iguña · Cantabria, Spain
Gradient:
<4%
4–7%
7–10%
10–12%
>12%
GRADIENT PROFILE
<4%4–7%7–10%10–12%>12%
Km-by-km average gradient from Copernicus GLO-30 elevation data along the road.
Starting in Arenas de Iguña, this side runs 9.4 km at 4.2% average — 396 m up to the 570 m summit, maxing at 11.5%. Its steepest kilometre averages 9.9% near km 7.8. On the Fiets scale this side rates 1.7. It is the gentler of the two approaches.
Surface
Asphalt100%
Gravel0%
Verified from OpenStreetMap surface data along the climb.
FROM ARENAS DE IGUÑA
Distance
9.4km
Elevation gain
396m
Avg gradient
4.2%
Max gradient
11.5%
Summit
570m
Category
CAT 3