The Confederated Tribes of the Umatilla Reservation are Native American peoples from the Pacific Northwest region of the United States, primarily in what is now northeastern Oregon. This confederation includes the Cayuse, Umatilla, and Walla Walla tribes, who have lived in the area for thousands of years, long before European settlers arrived. Traditionally, they relied on fishing, hunting, and gathering, with salmon playing a central role in their culture and diet. In 1855, the tribes signed a