Ive already paid my daily entrance fee today. Can I pay the difference to upgrade to a Parks Canada Discovery Pass?
Parks Canada’s visitors can upgrade to a higher-value pass within 30 days of the purchase of their original pass. This includes upgrading a daily entrance pass from any National Park, National Marine Conservation Area or National Historic Site to a Seasonal/Annual Pass (if applicable) or Discovery Pass, or upgrading from a Seasonal/Annual Pass to a Discovery Pass.