Yes, you will need a visa to travel to Cambodia. Tourists can purchase a visa upon arrival at both Phnom Penh and Siem Reap International Airports OR can apply for an eVisa prior to travel at: https://www.evisa.gov.kh
You should always make sure that your passport is valid for at least 6 months past the dates of travel.
While no specific vaccinations are required, we recommend that your routine vaccinations are up to date and that you visit a local travel health clinic or doctor for advice prior to the trip.
Proof of vaccination is required if you are coming from or have transited through an airport of a country where Yellow Fever occurs.
The Women's Travel Club recommends travelers to be fully vaccinated against COVID. Some countries will require COVID vaccination to enter, it is the traveler's resposibility to insure they meet all requirements.
Travel requirements may change at any time. Please visit your government's travel recommendations page.
Canada - https://travel.gc.ca/
USA - https://travel.state.gov/content/travel/en/international-travel.html