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Adams County, CO Curfew Laws: Park Curfew (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Key Facts

Open hours
5 a.m. to 11 p.m.
Exception
Authorized/permitted events
Overnight camping
Prohibited countywide in parks
Leash limit
12 feet maximum
Enforcement
Adams County Park Rangers

Summary

Adams County parks, trails, and open spaces are open 5 a.m. to 11 p.m., except for authorized and permitted events. Overnight camping is prohibited anywhere in the county's parks, trails, or open spaces, and pets must be leashed on a lead no longer than 12 feet.

City-specific rules exist: Westminster, and Thornton have their own park curfew rules that differ from Adams County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Hours are 5 a.m. to 11 p.m., excepting authorized and permitted events. Overnight camping is not permitted anywhere within Adams County's parks, trails, or open spaces.

Full Breakdown

Adams County Parks, Open Space & Cultural Arts sets the hours for all county parks, trails, and open spaces at 5 a.m. to 11 p.m., excepting authorized and permitted events. Overnight camping is not permitted anywhere within the county's parks, trails, or open spaces. All dogs and pets must be under the owner's physical control by a leash, cord, rope, or chain no longer than 12 feet, and there are no off-leash dog areas. These rules cover Riverdale Regional Park and the county's other parks and trail corridors. Park Rangers enforce the regulations. Municipal parks inside incorporated cities keep their own hours.

Violations & Fines

Being in a park outside posted hours, overnight camping, or an unleashed pet can result in a ranger contact, citation, or removal from county park property.

Frequently Asked Questions

What time do Adams County parks close?
County parks, trails, and open spaces are open 5 a.m. to 11 p.m., except for authorized and permitted events. Being there outside those hours can result in a citation.
Can I camp overnight in an Adams County park?
No. Overnight camping is not permitted anywhere within Adams County's parks, trails, or open spaces.

Sources & Official References

Other rules in Adams County

All Adams County rules

Compare Adams County to another location·View the Colorado curfew laws overview

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Park Curfew in Cities Across Adams County