California Touge.Best driving roads in California

Skaggs Springs Road

The long crossing from Lake Sonoma west over the coast range to Stewarts Point on Highway 1.

TechnicalDifficulty 3/3 · DemandingMarin / Sonoma

Road shape

Length
35.7 mi
Bends
212
Switchbacks
33
Bends per mile
5.9
Turning per mile
630°
Curviest rank
43of 121

Measured from the OpenStreetMap centreline at a 20 m sampling step — road shape only, not a safety or speed judgement. How bends are counted.

Elevation

Low 109 ft35.7 miHigh 2,060 ft
Total climb
10,330ft
Climb per mile
289ft
Highest point
2,089ft
Steepest grade
11.6%

Sampled every 100 m from USGS 10 m elevation data, a public-domain federal dataset. Total climb counts vertical change in both directions, so it does not depend on which way you drive. How elevation is measured.

Speed limits

Varies

Unverified

Check posted signs along the road.

No posted limit has been verified for this selected section. Follow current signs.

Posted signs always govern. How speed evidence is handled.

Sources

Difficulty 3/3 (Demanding) is our editorial rating of width, bends and sightlines; “Technical” describes character, not a target speed. Full method. Identified from:

Reviewed 2026-09-09. The trace shows selected road sections, not a navigation route.

Drives that include this road

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