California Touge.Best driving roads in California

McKean Road

Open foothill and reservoir country between Almaden and Uvas, with intersections and local access.

Medium speedDifficulty 1/3 · RelaxedSouth Bay

Road shape

Length
4 mi
Bends
4
Switchbacks
1
Bends per mile
1
Turning per mile
150°
Curviest rank
80of 85

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 332 ft3.7 mi · longest continuous section, 92% of the roadHigh 523 ft
Total climb
302ft
Climb per mile
76ft
Highest point
522ft
Steepest grade
3.8%

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

35–45 mph

Mapped limits

Approximate guide; limits vary by section. Follow posted signs.

OpenStreetMap tags cover approximately 100% of this trace. These values have not been checked against current signs.

Speed-limit source ↗

Posted signs always govern. How speed evidence is handled.

Sources

Difficulty 1/3 (Relaxed) is our editorial rating of width, bends and sightlines; “Medium speed” describes character, not a target speed. Full method. Identified from:

Reviewed 2026-09-08. The trace shows selected road sections, not a navigation route.

Roads nearby

View on the Bay Area map →Check road conditions ↗Open in Google Maps ↗All 85 roads →