The design of a large children's water park involves creating a safe and enjoyable environment for children. Key considerations include the selection of appropriate water features, such as slides, pools, and interactive play areas, ensuring compliance with safety regulations, and incorporating elements that promote physical activity and learning. Additionally, the design should cater to different age groups and abilities, offering a range of activities that stimulate creativity and motor skills. Landscape architecture, engineering, and facility management expertise are essential in the planning and execution of such projects.