Join the Testicle Festival in Bentonville Arkansas. BK Promotions hosts the Testicle Festival at the Benton County Fairgrounds. October 21st, 22nd, 23rd. 2022. Visit testyfest.us for ticket and camping information. Bentonville Arkansas is home of the brand new testicle festival. Come enjoy all the Rocky Mountain Osytsters you can eat and listen to 14 live bands. 2022 lineup includes Them Dirty Roses, Ben Miller Band, Adam Johnson Band, The Dirty Strings, Country Jesus, Red Oak Ruse, The Damn Neighbors, Dance Monkey Dance, Chester Ellis and the Tumbleweeds, Eureka Strings, Git in the Truck, The Cattle Punchers, Green Acres, SprungBilly. Bentonville Testicle Festival boasts indoor and outdoor craft vendors, food trucks, adult games and contests with a chance to win cash prizes. Adults Only 21 and over please.