E-bikes on Boulder County plains & regional trails
Boulder Area, Colorado · Boulder · Managed by Boulder County Parks & Open Space
🟢 Class 1 & 2 allowed — no Class 3
Last checked:
Which classes: Class 1 and 2 yes; Class 3 no (except US 36 Bikeway)
The rules
Class 1 and 2 e-bikes are allowed on the county's plains and regional trails, including Coal Creek, LoBo, Rock Creek, Boulder Canyon Trail, Pella Crossing and Walden Ponds. Part of LoBo near Twin Lakes is signed closed to e-bikes. E-motos and anything over 750 W or 28 mph are banned.
What the official source says:
E-bikes are prohibited on foothills and mountain trails. Class 1 and 2 e-bikes are allowed on most other trails.
Source: Boulder County Parks & Open Space
📞 Call ahead: 303-678-6200 (rules and closures change)
Gear for this ride
- Thule EasyFold XT 2 hitch rackFolding 2-bike hitch rack rated for 65 lb per bike — enough for most e-bikes. Check your bike's weight first.
- Kryptonite New York Fahgettaboudit Mini U-lockKryptonite's top-rated U-lock, Sold Secure Gold, for trailheads and town stops.
- Cygolite Metro Plus 800 headlight800-lumen USB-rechargeable headlight for dusk rides and tunnels.
- Lumos Ultra E-Bike helmetNTA 8776-certified for e-bike speeds, with built-in front, rear and turn-signal lights.
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Colorado's e-bike classes
Colorado has three e-bike classes: Class 1 (pedal-assist to 20 mph), Class 2 (motor helps with or without pedaling, cuts out at 20 mph) and Class 3 (pedal-assist to 28 mph, with a speedometer). Colorado e-bike laws →
Not sure which class you have? E-bike classes explained →
Did this rule change, or is something here wrong? Tell us and we'll re-check it against the official source.
Nearby trails
- US 36 Bikeway ✅ Yes, all classesBoulder County Parks & Open Space (Boulder County segment)
- Walker Ranch Open Space 🔴 NoBoulder County Parks & Open Space
- Heil Valley Ranch 🔴 NoBoulder County Parks & Open Space
- Hall Ranch 🔴 NoBoulder County Parks & Open Space