Marijuana Laws
As recorded December 15, 2025 · not verified as current law. Montana law
Cannabis laws in Great Falls follow Montana’s state law. Municipal rules rarely change cannabis legality; jurisdiction law is what matters for travelers.
Recreational cannabis is legal for adults 21 and older. Medical cannabis is available for qualifying patients. Possession within limits is permitted, with legal risk for violations.
Quick facts
- Recreational: Legal for adults 21+
- Medical: Available
- Possession: Legal within state limits for adults
- Buying/Selling: Legal through licensed retailers
- Tourists: Same rules apply to visitors
Practical guidance
Avoid cross-border transport of cannabis products. Do not assume informal tolerance equals legality.
Law Enforcement
Traffic stops and underage drinking parties drew much of the visible police attention in Great Falls.
Where to Buy Marijuana
No particular buying spot came up in the account.
Marijuana Prices
- US$50 for most eighths or US$60 for chronic
- US$100 for a quarter
- US$150–180 for a half ounce
- US$250–330 for an ounce
Types of Marijuana
Chronic was the higher-priced grade in the local list.
More Information
The local prices distinguish ordinary flower from chronic at the eighth-ounce size.