Do I need a visa to enter Canada?

If you are taking a tour to Canada, please check all the visa requirements before you take the tour.

Canada visitors:

Passport required. Some nationalities may need multiple entry visa's to the U.S.A. and a Canadian visa. Please check the following link for updates on entry requirements: http://www.cic.gc.ca/english/visit/visas.asp
United States citizens, please check the following link for updates on entry requirements: http://travel.state.gov/travel/cbpmc/cbpmc_2223.html
United States alien residents require a valid alien resident card and please also check the following link for other entry requirements: http://travel.state.gov/travel/cbpmc/cbpmc_2223.html