HC

Onyx Summit from Highland

California, united-states

Onyx Summit from Highland covers 63.6km and 2,310m of climbing, reaching 2,576m at the summit. The average gradient of 3.6% disguises ramps of 7.3% — the kind of gradient that turns plans into prayers. This is a climb of endurance — the kind of effort measured in hours, where pacing matters more than power. The summit at 2,576m sits above the treeline, where the air thins and the views extend to distant peaks. Located in California, United-states.

  • Summit above 2500m — expect thin air, snow into early summer, and conditions that change fast.
  • One of only 1,152 Hors Catégorie climbs in the database.
  • A false flat around km 33 offers brief respite before the road kicks up again.

Onyx Summit from Highland

California, united-states

63.6km 2310m 3.6%
HC

Distance

63.6km

Avg Gradient

3.6%

Max Gradient

7.3%

Elevation Gain

2310m

Summit

2,576m

Wall Rating

6.3

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