California Touge.Best driving roads in California

Mosquito Ridge Road

A long mountain road east from Foresthill, winding through the American River country to the French Meadows Road junction near the reservoir. Tight bends and remote stretches make this a drive to plan ahead for; get fuel and supplies in town.

TechnicalDifficulty 3/3 · DemandingAuburn / Sierra Foothills

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Check Tahoe National Forest alerts and the American River Ranger District for vehicle access before leaving Foresthill. Fire recovery work, seasonal snow and temporary closures can affect this remote road; this is not a live open-road report. Check current access ↗ · Reviewed 2026-09-13

Road shape

Length
34.9 mi
Bends
199
Switchbacks
30
Bends per mile
5.7
Turning per mile
584°
Curviest rank
49of 135

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 1,395 ft34.9 miHigh 5,986 ft
Total climb
9,001ft
Climb per mile
258ft
Highest point
5,986ft
Steepest grade
7.6%

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.

Limits vary by section. Follow posted 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 2026-09-13. The trace shows selected road sections, not a navigation route.

Roads nearby

Distances are approximate straight lines between road centers, not driving distances or direct connections.

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