If you buy a national park pass for 2016, the 2016 annual pass is valid for two full years. “This is the first step towards celebrating the 150th anniversary of Canada’s Confederation.” For example, if you bought an annual pass in January 2016, the pass will be valid for 24 months, until January 2018.
Catherine McKenna, Minister of Environment and Climate Changes , also promised that “Beginning in 2018, ensure that admission for children under 18 is free, and provide any adult who has become a Canadian citizen in the previous 12 months one year’s free admission. ”