The event, in its 45th year, includes horse and wagon rides and live music by Jim Boland and Friends, according to a historical society news release.
The Appaloosa Lace Makers, Palouse Hills Weavers Guild and Hog Heaven Muzzleloaders will give demonstrations, and tours of the mansion will be offered.
More information is at latahcountyhistoricalsociety.org/events.
