Fully vaccinated foreign nationals may be allowed enter Canada for discretionary travel. Under certain circumstances, you may be exempt from some requirements.
If you're arriving by car, bus, boat, ferry or train from the United States, you must take a molecular [PCR] test in the United States within 72 hours of your planned entry into Canada.
You'll need to submit your information within 72 hours before your arrival to Canada. *You may be exempt from pre-entry test if you recently recovered from COVID-19.
All travellers, with limited exceptions, whether entering Canada by air, land or marine vessel, must use ArriveCAN to provide mandatory travel information before and after your entry into Canada. It only takes minutes to help keep each other safe. Available for iOS, Android and online.
Links:
Find out if you can enter Canada (wizard)
*Required: You must use ArriveCAN to enter Canada
Links:
For U.S. Citizens/Lawful Permanent Residents: Documents needed to enter the United States and/or to travel Internationally.
Documents needed to enter the United States: If you are a U.S. citizen traveling abroad, get the information you need to smoothly navigate your return back into the United States.