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Yellowstone County, MT Curfew Laws: Park Curfew (2026)

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

Key Facts

Closes
Half-hour after sunset
Opens
Half-hour before sunrise
Overnight camping
Not allowed
Penalty
Up to $500 and/or 6 months
Enforcement
County Sheriff's Department

Summary

Under the Yellowstone County Parkland Ordinance, county parks close to public access one-half hour after sunset and open one-half hour before sunrise. No overnight camping is allowed. Violations are a misdemeanor punishable by up to a $500 fine, six months' jail, or both.

City-specific rules exist: Billings has its own park curfew rules that differ from Yellowstone County's county-level regulations. If you live in Billings, check the city-specific page instead.

The park areas are closed to public access and use at one-half hour after sunset nightly and opened at one-half hour before sunrise daily. In addition, no overnight camping shall be allowed in any County parkland.

Full Breakdown

The Yellowstone County Parkland Ordinance governs county parks including Two Moon, Zimmerman, Earl Guss and Arrow Island II. Section CO 04390-018 states: "The park areas are closed to public access and use at one-half hour after sunset nightly and opened at one-half hour before sunrise daily. In addition, no overnight camping shall be allowed in any County parkland." Exceptions require written permission from the County Board of Park Commissioners, and no county park land may be used for habitation or extended camping. Barkemeyer Park lists the same sunrise-to-sunset hours, and Pine Hill Park limits motorized use to 10 a.m.-6 p.m. Monday through Saturday with none on Sunday. The ordinance, adopted under MCA 7-16-2322, is enforced by the County Sheriff's Department.

Violations & Fines

Under CO 04390-25, violating any park rule is a misdemeanor "punishable by a fine not to exceed five hundred (500) dollars, imprisonment not to exceed six (6) months, or both fine and imprisonment," enforced by the County Sheriff's Department.

Frequently Asked Questions

What are the hours for Yellowstone County parks?
County parks open one-half hour before sunrise and close one-half hour after sunset. Overnight camping is prohibited except by written permission from the Board of Park Commissioners.
What happens if I stay in a county park after hours?
Being in a closed park after hours violates the Parkland Ordinance, a misdemeanor punishable by up to a $500 fine, up to six months in jail, or both, enforced by the County Sheriff.

Sources & Official References

Other rules in Yellowstone County

All Yellowstone County rules

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