Adventure Playground provides a wonderful playing experience.  Kids can raft on a small pond, navigate a rope bridge, use a cable slide, go down a mud slide, and build forts. Children must wear tennis shoes and be prepared to get dirty. This experience is suitable for kids six to twelve years old. It is only open in the summer. Hours are 10 a.m. to 5 p.m., Monday through Saturday, closed Sunday. Adult supervision is provided and a small fee is charged. Enter from the Central Library parking lot. For information and group reservations, phone (714) 842-7442,  or (714) 536-5486 when closed.