Boulder County, CO Curfew Laws: Park Curfew (2026)
Key Facts
- General hours
- Sunrise to sunset (daytime only)
- 24-hour exceptions
- Named LoBo/Coalton/Coal Creek etc. trails
- Overnight parking
- Banned sunset to sunrise
- Campground quiet
- 9 p.m. to 6 a.m.
- Penalty
- Civil infraction, up to $300
Summary
Boulder County Parks & Open Space areas are open for daytime use only, between sunrise and sunset, except certain named trail corridors and connecting spurs that are open 24 hours. Vehicles may not be parked from sunset to sunrise, and being in a park after hours is a civil infraction
Boulder County Parks & Open Space areas shall be open for daytime use only, between sunrise and sunset... These trail corridors and neighborhood connecting spurs shall be open 24 hours per day.
Full Breakdown
Boulder County's Parks & Open Space Rules and Regulations (adopted by resolution under CRS 29-7-101 and 30-15-402) set park hours. Rule 17 provides that county Parks & Open Space areas are open for daytime use only, between sunrise and sunset, with exceptions for listed trail corridors (the LoBo, Coalton, Coal Creek, Rock Creek, Meadowlark, US 36 Bikeway, Boulder Canyon, Open Sky Loop, and Mayhoffer-Singletree trails) and neighborhood connecting spurs, which are open 24 hours a day. Further exceptions require written permission from the Director or Board. Vehicles may not be parked, attended or unattended, from sunset to sunrise. Campground quiet hours run 9:00 p.m. to 6:00 a.m.
Violations & Fines
Violations are civil infractions under CRS 29-7-101(2) and 30-15-402; the standard penalty schedule assesses $100 for most rules and up to $300 for first and subsequent serious offenses, with parking violations subject to separate assessments and towing.
Frequently Asked Questions
Can I hike Boulder County open space after dark?
What is the fine for being in a county park after hours?
Sources & Official References
Other rules in Boulder County
Compare Boulder County to another location·View the Colorado curfew laws overview
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