Alto del Tenebreo

Asturias, Spain

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Alto del Tenebreo

from Villanueva

CAT 2

Distance

3.7km

Elevation

319m

Avg %

8.6%

Max %

20.2%

<4%4–7%7–10%10–12%>12%

Alto del Tenebreo

from La Rienda

CAT 3

Distance

7.2km

Elevation

384m

Avg %

5.3%

Max %

13.8%

<4%4–7%7–10%10–12%>12%

Rising to 512 m in the Asturias, Spain, Alto del Tenebreo is a Category 2 cycling climb. From Villanueva, the toughest side climbs 3.7 km at 8.6% average — 319 m of ascent, pitching to 20.2% at its steepest. The steepest kilometre averages 16.9%, around km 2.7. It can also be climbed from La Rienda (7.2 km at 5.3%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 2.8. Spring to autumn brings the steadiest riding, with snow possible in mid-winter.