Réponse
Here is the procedure for booking your activity and redeeming your gift voucher:
1. Go to our booking page > https://booking.adventure-valley.be/#!/dates
2. Select the date you wish to come and the activity(ies)
3. Fill in the registration form with your information
4. Select the "pay now" button, a window will appear on your screen asking if you have a gift voucher, select "yes".
5. Simply enter the 12 digits of your gift voucher and follow the rest of the steps to complete your booking