Loading view. There were no results found. There were no results found. Contra Loma Regional Park Events Venues Contra Loma Regional Park 1200 Frederickson Lane Antioch, CA 94509 USA Get Directions (888-327-2757), option 3, http://www.ebparks.org/parks/contra_loma Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file