National Parks are not Crown Land. National Parks are reserves of land owned and managed by the Federal Parks Department and development is not allowed on that land whatsoever.
Crown Land is land owned and administered by the provinces. Crown Land can be licenced for many uses and sometimes it can be purchased.
Crown Land is land owned and administered by the provinces. Crown Land can be licenced for many uses and sometimes it can be purchased.
Also, Provincial Parks are not Crown Land.