Drivers AtlasThe world's best roads

United States, California

Sonora Pass

The steepest Sierra crossing, narrow and demanding with barely a car on it midweek.

Length

77 km

In miles

47.8 mi

Driving time

2 hr 24 min

Atlas rating

9.3 / 10

Driving quality9.2
Scenery9.4

The run

Strawberry to US 395, following the SR 108. Drive it in either direction, though the views usually favour the climb.

Season

Closed in winter, 26 percent gradients

Checked by the Drivers Atlas desk

Scored and written by the Drivers Atlas editorial desk, drawing on driven routes across the UK and Europe, mapping data and member road reports. Every road in the library carries a driving and scenery score set by the same method. How we score roads.

Last reviewed 1 May 2026