Collformic

Collformic is a Category 1 cycling climb, cresting at 1 142 m. Its hardest ascent, from Sant Esteve de Palautordera, covers 20.8 km at 4.3% average, gaining 900 m, with ramps up to 12.2%. The steepest kilometre averages 10.3%, around km 13.6. It can also be climbed from Seva (9.3 km at 5.0%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 4.0. Spring to autumn brings the steadiest riding, with snow possible in mid-winter.