Are there restrictions for using my Merlin Pass at THORPE PARK Resort? For information regarding restrictions, please visit the Merlin Annual Pass website here. Related articles Are there any dates where entry is excluded as part of my THORPE PARK Annual Pass? Do I get free parking with my Merlin Pass? How do I purchase Merlin Pass Friends and Family tickets? Where can I find information on Merlin Passes? I am a THORPE PARK Annual Passholder, do I need to pre-book my entry?