Westside Road · Sonoma County
The winding Russian River Valley road from Mill Street in Healdsburg to River Road near Forestville, passing vineyards and wooded sections. A scenic companion to Eastside Road. Expect bicyclists and give them space, especially around bends and narrow shoulders.
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Westside and nearby Wohler Road have had slide repairs and bridge works. Check the county closure map before planning a through-drive or an Eastside loop. Check current access ↗ · Reviewed 2026-09-13
Road shape
- Length
- 12.3 mi
- Bends
- 31
- Switchbacks
- 0
- Bends per mile
- 2.5
- Turning per mile
- 282°
- Curviest rank
- 95of 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
- Total climb
- 990ft
- Climb per mile
- 80ft
- Highest point
- 163ft
- Steepest grade
- 3.3%
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 2/3 (Winding) is our editorial rating of width, bends and sightlines; “Low speed” describes character, not a target speed. Full method. Identified from:
- Santa Rosa Cycling Club · Eastside and Westside road profiles ↗
- Sonoma County · Westside slide repairs and Wohler Bridge works ↗
- OpenStreetMap road data ↗ (16 ways in this trace)
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.