If you are traveling to South Africa with Canadian passport in most cases you do not need to obtain entry visa to South Africa at the consulate beforehand. The period of stay though may be limited by the laws of South Africa. You may check what is the allowed period of stay at the South Africa consulate in Canada. All other applicants should check information on South Africa visa requirements, procedure, application forms, fees and processing timings may be found here: http://south-africa.visacenter.ca.