E-bikes on City of Boulder Open Space & Mountain Parks
Boulder Area, Colorado · Boulder · Managed by City of Boulder Open Space & Mountain Parks
🟢 Class 1 & 2 allowed — no Class 3
Last checked:
Which classes: Class 1 and 2 on listed trails only; Class 3 no
The rules
Since July 1, 2023, Class 1 and 2 e-bikes may ride only the OSMP trails on the city's e-bike list (e.g., Cottonwood, Teller Farm, White Rocks, Coalton, Cowdrey Draw, Marshall Valley). Foothills North, and parts of South Boulder Creek and Marshall Mesa, stay closed to e-bikes. E-scooters and e-skateboards remain banned.
What the official source says:
City of Boulder Open Space and Mountain Parks conducted a community engagement process that allows visitors to ride Class 1 and Class 2 electric bikes on specific City of Boulder open space trails.
Source: City of Boulder Open Space & Mountain Parks
📞 Call ahead: 303-441-3440 (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.
- Dynaplug Racer Pro tire plug kitFixes tubeless punctures on the trail with preloaded plugs.
- Topeak Mini Morph pumpFrame-mounted mini pump that fits both Presta and Schrader valves.
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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
- Boulder County plains & regional trails (Coal Creek, LoBo, Rock Creek) 🟢 Class 1 & 2 onlyBoulder County Parks & Open Space
- 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