Can I renew my Waterpark Annual Pass? We no longer sell renewals or new Waterpark Annual Passes. Tickets for one day admission to the Waterpark can be purchased here. Related articles Can I buy a Waterpark Annual Pass? How can I contact you? How do I escalate my complaint? Is the Alton Towers Waterpark included with my Merlin Annual Pass? What are the height restrictions in the Alton Towers Waterpark?