Can I wear outdoor clothing in the Alton Towers Waterpark? Outdoor clothing can be worn in the Waterpark if you are a spectator, however outdoor footwear is not permitted. We do recommend guests to wear loose clothing whilst inside the Waterpark. For full details - see our swimwear policy here. Related articles I need to cover up for religious reasons. What can I wear in the pool? Should I bring my own towels to the Alton Towers Waterpark? Can I spectate without using the Waterpark? Is there anywhere in the Alton Towers Waterpark where I can eat or get a drink? Will any Rides/attractions be closed for my visit?