In September 2019 SaudiaSaudi Arabia announced it is going to open it'sits borders for tourists with a new visa regime.
BBC: Saudi Arabia's tourist spots you are now free to visit
The Saudi Visa Portal lists Canada as one of the 49 countries in North America, Europe, Asia and Oceania eligible for the new visa regime.
According to the portal:
The eVisa will be a one-year, multiple entry visa, allowing tourists to spend up to 90 days in the country.