Can I use a Top Parks voucher at G'day Parks? 06 July 2022 04:56 Updated Yes, if you have a Top Parks branded gift voucher which is still within validity dates this can be used at any G'day Parks around Australia. Related articles How much is a G’day Rewards membership? Can I use a Discovery Park Voucher at G'day Parks? My G’day Parks voucher isn’t working online? Can I use a G'day Park Voucher at Discovery Parks? Is this fuel offer legitimate?