There are hundreds of parks in Ventura County and surrounding areas. DOZENS of them are described in the Kid Fun section of CVG with pics and videos for you to check out!
But here is a compilation with links to all the various parks that we could track down in the area.
Calabasas: www.cityofcalabasas.com/recreation.html (8 parks)
Camarillo: www.pvrpd.org/parks/default.asp (27 active and passive use parks)
Malibu: www.ci.malibu.ca.us/Facilities (6 parks)
Moorpark: www.moorparkca.gov/DocumentCenter/View/94 (17 parks)
Oxnard: www.oxnardrec.org/17/3/960/ (58 parks)
Port Hueneme: www.ci.port-hueneme.ca.us/index.aspx?nid=553 (5 parks)
Santa Paula: www.ci.santa-paula.ca.us/CommunityServices.htm (12 parks)
Simi Valley/Oak Park: www.rsrpd.org/park/parkaz.html (58 parks)
Conejo Valley (Thousand Oaks/Newbury Park/Westlake Village) crpd.org/parkfac/parklisting.asp (Over 60)
Ventura: www.cityofventura.net/sub-section/parks-urban-forestry (47 parks)
Westlake Village: www.wlv.org/city_services/parks-rec.asp (6 parks)