Do Merlin Pass holders get free entry or a discount on Bear Grylls Adventure tickets? Merlin Annual Passholders can book High Ropes, Climb, Shooting and Archery for FREE at The Bear Grylls Adventure. Other activities can be booked at up to 50% off via the Passholder prebook page here. Related articles Is parking free with a Merlin Pass? What discounts do Merlin Pass holders get inside the attraction? Do I need to book in advance? What restrictions are there? Can I contact you via Live Chat?