 Watch country music artists Clay Walker and Eddie Montgomery live. Saturday, September 7th in the Happy Canyon Arena. Presented by Pendleton-based Vegetation Solutions. See the Pendleton Whiskey PRCA Extreme Bulls Tour Finale September 9th and 10th in the Happy Canyon Arena. Presented by Tours. Then, letter fuck. Wednesday, September 11th through Saturday, September 14th in the afternoons at America's 10-time large outdoor rodeo of the year. The iconic Pendleton Roundup. After the rodeo, Happy Canyon India.