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 Can I spectate without using the Waterpark? Is there anywhere in the Alton Towers Waterpark where I can eat or get a drink? Should I bring my own towels to the Alton Towers Waterpark? What are the restrictions for your Thrill Rides and Attractions? Are there any buoyancy aids or floats for children when in the Waterpark?