Is my Merlin Annual Pass Restricted during Scarefest? This is dependent on the type of pass being used for your visit, you can check all restriction dates here on our website. Related articles Are there restrictions for using a Merlin Pass at Alton Towers Resort? When is Scarefest? Why is it asking me to select a time slot when booking my Maze tickets for Scarefest? What is the Alton Towers Gold Annual Pass? How can I contact you?