Here are some concept art used during the design phase of the attraction.

Dick Nunis, the president of Walt Disney Attractions, had been looking for a water flume ride to take a bit of the edge off the often-brutal summer heat.

For years Dick had been pressuring Imagineering to create such an attraction, arguing that every theme park had one.

The Imagineers, in turn, used the exact same argument against him: all theme parks had one; therefore Disneyland should not.

Marc Davis, Scott Baker, Dan Goozee, John Stone and X Atencio all rendered storyboards, character studies and concept art for the attraction.

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