Loading view. There are no upcoming events. There are no upcoming events. Douglas County Events Center Events Venues Douglas County Events Center 500 Fairgrounds Drive Castle Rock, CO 80104 United States Get Directions http://www.douglascountyfairfoundation.com/ 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