Celebration Spaces. Meeting Places. Planning a wedding, holiday party, reunion, birthday party or business meeting? Pleasant Hill Recreation & Park District has the perfect venue for your next event! Choose from 7 picnic areas, an aquatic park, the Winslow Center and 3 beautiful new facilities--the Community Center, Senior Center and Teen Center. Make your next event a memorable one with the ideal location right here in our community. For all facility rentals, please contact our Community Center at (925) 676-5200 or email.