Cambria Hotel Denver Downtown RiNo
Douglas County Fair
Business
August 19, 2026 to August 22, 2026
9:00 AM - 6:00 PM
Rocky Mountain Book & Paper Fair, 451 E 58th Ave Denver CO 80216,, Douglas County, Colorado, United States, 80104
About This Event
The Douglas County Fair is an annual community fair held at the Douglas County Fairgrounds in Castle Rock, Colorado, that highlights regional agriculture and family entertainment. The event presents 4‑H and livestock exhibits, rodeo and arena shows, carnival rides and games, live music and food vendors, and a mix of commercial and educational exhibits. It is organized locally by the Douglas County fair board and fairgrounds staff and draws visitors from across the county and surrounding region.