Cat 3

Onyx Summit from Big Bear City

California, united-states

Onyx Summit from Big Bear City covers 11.6km and 489m of climbing, reaching 2,577m at the summit. The gradient averages 4.2% — manageable for most riders, though the cumulative effort builds. The summit at 2,577m 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.
  • A false flat around km 4 offers brief respite before the road kicks up again.

Onyx Summit from Big Bear City

California, united-states

11.6km 489m 4.2%
3

Distance

11.6km

Avg Gradient

4.2%

Max Gradient

6%

Elevation Gain

489m

Summit

2,577m

Wall Rating

3.5

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