Bigfoot: It’s one of the oldest stories on the American continent. Before it became a pop icon and (hypothetical) reality TV star, stories about a mysterious guardian spirit have long been passed down among Indigenous nations. In the canyonlands of the Nch’i-Wána, or Columbia River Plateau, Bigfoot is also known as Istiyehe and Stiyahama by Ichishkíin and Niimi’ipuutímt speakers from the Yakama, Umatilla, Nez Perce and Warm Springs Confederated Tribes. “All communities across the Plateau may ha