The Conejo Recreation and Park District maintains over 4 dozen parks in the Conejo Valley. These parks contain over 20 tennis courts, close to 30 basketball courts, dozens of softball/soccer fields, nearly 150 swing sets, around 100 slides, dozens and dozens of play structures and jungle gym equipment and countless other fun things for the kids.
Most parks are open to the public from 7am to 10am, with the exception of Conejo Community Park and Lynn Oaks Park (7am-6pm Oct-Mar, 7am-8pm Apr-Sep), Conejo Creek North Park (7am-6pm Nov-Feb, 7am-7pm Mar & Oct, 7am-8pm Apr-Sep) and Conejo Creek Dog Park (7am-8:30pm).
CRPD maintains a list of parks it maintains at crpd.org/parkfac/parks/default.asp. Some additional observations below.