Isabella Walker Pass from Onyx

The Isabella rises 21.2km through wooded valleys and open mountainside, gaining 734m to 1,600m. The average gradient of 3.5% disguises ramps of 7.1% — the kind of gradient that turns plans into prayers. The 1 hairpin turns break up the climb, each one revealing a new perspective on the road ahead. The road reaches 1,600m — high enough to feel the altitude on tired legs. Located in California, United-states.