Canada
The laws most likely to catch a visitor off guard. What is legal at home can be a serious crime here — each rule links to its official source.
Get alerted when this changesLawLert pings you if Canada's laws change. Free.Get the free appDrugs
Canadian law bans possession and sale of drugs, including some that are legal in certain U.S. states.
Drug smuggling can bring large fines, a permanent ban from Canada, and jail.
§ US State DeptCannabis
Recreational cannabis is legal inside Canada, but carrying it across the border in either direction—in any amount or form, even with a medical document—is a serious criminal offence.
Arrest and prosecution; seizure and possible jail; a permanent ban is possible.
§ Canada Border Services AgencyMedications
Confirm your medication is legal in Canada, carry it in original pharmacy-labeled packaging, and bring a copy of your prescription.
Improperly documented or prohibited medication may be refused or seized at the border.
§ US State DeptWeapons
Canada has strict gun laws; firearms and ammunition must be declared in writing at the border on a Non-Resident Firearm Declaration, and gun-related arrests at border crossings are common.
Undeclared firearms/weapons are seized permanently and not returned, and can lead to jail.
§ US State DeptCustoms & Cash
You must declare CAN$10,000 or more in cash or monetary instruments when entering or leaving Canada.
Undeclared currency at or above the threshold can be seized.
§ US State DeptLGBTQ+ Safety
There are no legal restrictions on same-sex sexual relations or the organization of events in Canada.
§ US State Dept — Canada