August 12th – 15th, 2026 in Hermiston
Founded in 1912, the Umatilla County Fair is a family-friendly event with entertainment for all ages. Enjoy concerts on the Wildhorse Resort & Casino Main Stage, carnival rides, exhibits, Youth Livestock Auction, and more!
Children 10 & under receive FREE ADMISSION every day thanks to daily gate sponsors (does not include rodeo or carnival rides). Gates open at 10 a.m., vendors at 11 a.m.