Mile Square Regional Park is an urban park located in the City of Fountain Valley and totals 607 acres of land. Within the park's boundaries are two regulation golf courses, three soccer fields, three baseball and three softball diamonds, an archery range and a nature area. Also, there are two fishing lakes, concession-operated bike and paddle boat operations, a wide expanse of picnic areas as well as numerous picnic shelters. Shelters serve a wide variety of visitors ranging from individuals to families and group organizations to annual company picnics.