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Motorcycle Ride Planner · Routes · United States

Sonora Pass (CA-108) - High Sierra Crest

United States · CA-108

78Miles
340Corners
4.4Per mile
9/10Difficulty

The second-highest highway pass in California, featuring punishing 26% grades, narrow winding tarmac without guardrails, stark granite peaks, and technical hairpins that test engine braking and clutch finesse.

Sonora Pass (CA-108) - High Sierra Crest runs 78 miles between Sonora, CA and Sonora Junction (US-395), CA. We count about 340 corners along it, which is consistently bendy. A hard road that rewards experience and punishes bravado.

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Questions riders ask

How long does Sonora Pass (CA-108) - High Sierra Crest take to ride?
About 78 miles. At an unhurried pace with stops that is roughly 2 hours of riding, longer if you are stopping for photographs.
Where does Sonora Pass (CA-108) - High Sierra Crest start and end?
It runs between Sonora, CA and Sonora Junction (US-395), CA. Either end works as a start; the route reads the same in both directions.
Is Sonora Pass (CA-108) - High Sierra Crest a twisty road?
We count about 340 corners across 78 miles, which is consistently bendy.
Is there a GPX file for Sonora Pass (CA-108) - High Sierra Crest?
Yes. The GPX is free, there is no account, and the planner will build a route that includes this road alongside others nearby.

Where these numbers come from

Distances and corner counts come from the route's own geometry, not from ratings or votes. Nothing here is crowdsourced and nobody paid to appear.