Millpond Adventure Playground in Crawley . The Millpond Medieval Castle is an integrated play site where children of all abilities can play together. This is the land of fair maidens and knights, dungeons and dragons and the theme of the structures supports this imaginative play. The double level castle has a Climbing Wall, Secret Tunnel and Giant Slide for children to enjoy with their parents. The site also has a beautiful Sensory Play Room for children whose ability requires such a facility. This site is equipped with Toilet & changing facilities, parking for disabled visitors, access ramps to building and play structures. Visit website for opening times and more information.