Despite the fact that cannabis is now legal and regulated for adults in Canada, it remains illegal to transport cannabis across the Canadian border. You could be subject to criminal charges if you try to travel to other countries with any amount of cannabis in your possession. This applies to all countries, whether cannabis is legal there or not.
Cannabis is illegal in most countries. If you try to travel internationally with any amount of cannabis in your possession, you could be subject to serious criminal penalties both at home and abroad. You could also be denied entry at your destination country if you have previously used cannabis or any substance prohibited by local laws.
Canadians travelling to the U.S. for reasons related to the cannabis industry may be deemed inadmissible.
As a traveller, it is your responsibility to be informed about the laws of the country you intend to visit. This includes the legal status of cannabis use and possession in any country you may travel to.
When you are travelling within Canada, it is your responsibility to learn the laws of the province or territory you are going to. If you use cannabis, follow the laws in that jurisdiction.