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E-bike rules: Marin County (Mt. Tam watershed, county open space)
County / MMWD · CA
The birthplace of mountain biking remains one of the most restrictive places to ride one with a motor: e-bikes are excluded from most Marin singletrack and many fire roads; paved paths vary by jurisdiction.
Class 1 ⚠️ RestrictedClass 2 ❌ Not allowedClass 3 ❌ Not allowed
Source: www.marincounty.gov
Last reviewed 2026-07-07
Access by class
| Class | Status | Details |
|---|---|---|
| Class 1 | ⚠️ Restricted | Excluded from most watershed and open-space trails; limited designated routes. |
| Class 2 | ❌ Not allowed | Broadly excluded from natural-surface trails. |
| Class 3 | ❌ Not allowed | Roads only. |
Common questions
Are Class 1 e-bikes allowed in Marin County (Mt. Tam watershed, county open space)?
Restricted. Excluded from most watershed and open-space trails; limited designated routes. Rules are set by County / MMWD; confirm before riding.
Are Class 2 e-bikes allowed in Marin County (Mt. Tam watershed, county open space)?
Not allowed. Broadly excluded from natural-surface trails. Rules are set by County / MMWD; confirm before riding.
Are Class 3 e-bikes allowed in Marin County (Mt. Tam watershed, county open space)?
Not allowed. Roads only. Rules are set by County / MMWD; confirm before riding.
Nearby
American River Parkway (Sacramento, CA)CountyCalifornia State Parks (system-wide)State ParksLake Tahoe Basin Management UnitUSFSAcadia National Park Carriage Roads (ME)NPSAnacostia River & Capital Trails (Washington, DC)DDOT / NPS mix
Trail and land-access rules are set by individual land managers and change without notice. This page summarizes published policy as of the last-verified date above. It is general information, not legal advice. Confirm current rules with the managing agency before riding. You alone are responsible for where you ride; riding out of class or in closed areas can mean fines, citations, and trail closures for everyone. See our Terms of Use. Figures are compiled from official and published sources and can change without notice; the linked official page is always authoritative.