It’s basically comes down to if you’re over Four feet tall or not. If you are over 48″ then you can go on everything, except for the kiddie areas. Still there’s lots of water slides kids can do if they’re between 42″ and 48″ with a supervising companion. Get ready to have fun at Volcano Bay Water Theme Park. Of course, these are only the height restrictions, there may be other restrictions or requirements that could prevent you from riding.
Know Universal's Volcano Bay Height Requirement before you go.