Where is Alton Towers Waterpark? The Alton Towers Waterpark is right next door to Splash Landings Hotel at Alton Towers Resort. Please head into the Hotel reception and you'll see the signs directing you down to the Waterpark. Related articles Do you offer Car parking for the Alton Towers Waterpark? When is Alton Towers Waterpark open? Can I use my 2 for 1 voucher at Alton Towers Waterpark? Can I download a map of Alton Towers Waterpark? What attractions are at Alton Towers Waterpark?