Tags: Convention.
The Umatilla County Fairis a fair held in Hermiston in Umatilla County Oregon in the middle of August each year running Tuesday afternoon through Sunday evening. Started in August 1912 it was known as the Hermiston Dairy and Hog Show as a joint fair with Morrow County a one time only affair since legislation in 1913 changed it so that it was no longer possible to have a bi-county fair.
