Sonora Pass (CA-108) - High Sierra Crest
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.
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Rider-Friendly Lodging
Legendary 1930s Alcoa stone lodge perched right on the raging rapids of the Cheoah River, 5 miles south of the Tail of the Dragon. High-end rider hospitality with roaring river vistas, stone hearths, and an upscale evening tavern where motorcyclists toast surviving 318 curves.
Tank-Bag Quick Reference Sheet
Frequently Asked Questions
How many curves and miles is Sonora Pass (CA-108) - High Sierra Crest? ▼
Sonora Pass (CA-108) - High Sierra Crest spans 78 miles and packs approximately 340 curves (4.4 curves per mile) with an elevation delta of 1,800 ft - 9,624 ft and technical rating 9/10.
Where are the start and end coordinates? ▼
The route starts at Sonora, CA (Latitude 37.9849, Longitude -120.3821) and finishes at Sonora Junction (US-395), CA (Latitude 38.3582, Longitude -119.4578).
How can I download the GPX file for GPS navigation? ▼
Click the "Download Free GPX" button on this guide. The standard XML file is 100% free and ready to load into Garmin zūmo, BMW Motorrad Connected, Rever, Scenic, or Google Maps.