Sierra Nevada & foothills

Highway 108, Sonora Pass

High Sierra crossing over 9,624 ft Sonora Pass.
mapped
124 mi
mapped
motorcycle crashes, 2021–2025
37
motorcycle crashes, 2021–2025
serious or fatal
14
serious or fatal
fatal
5
fatal

Is Highway 108, Sonora Pass safe to ride on a motorcycle?

We don't rate roads as safe or unsafe: crash counts can't say how risky a road is, and popular riding roads have more crashes partly because more people ride them. What the records show: 37 motorcycle crashes were reported along its 124 mapped miles from 2021–2025, 14 of them serious or fatal (5 fatal). 65% involved no other vehicle. What to watch for: Grades up to 26% and tight hairpins near the top, sudden weather changes at altitude, and closed in winter.

This week's weather

Weather

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How riders crash here

65% of crashes here involve only the motorcycle, usually running wide or losing grip in a corner. Enter corners slower, look through the bend, and watch for gravel, sand and diesel.

Places along the way

Common questions about Highway 108, Sonora Pass

What is Highway 108, Sonora Pass like to ride?
High Sierra crossing over 9,624 ft Sonora Pass.
How long is Highway 108, Sonora Pass?
About 124 miles as mapped in OpenStreetMap, for the stretch we cover.
Is Highway 108, Sonora Pass open?
Check Caltrans QuickMap (quickmap.dot.ca.gov) for closures, chain controls and roadwork before you go. Mountain roads close for snow, rockslides and fire, and some sections close every winter.

Other riding roads nearby

Crashes: motorcycle crashes reported within 60 m of the road, 2021–2025, from the California Crash Reporting System (CCRS). Road: © OpenStreetMap contributors. Weather: National Weather Service. Distances to other roads are between their middles, in a straight line. How the data works.