Tags: Ethnic Group.
The Cayuse are a Native American tribe in the state of Oregon in the United States. The Cayuse tribe shares a reservation and government in northeastern Oregon with the Umatilla and the Walla Walla tribes as part of the Confederated Tribes of the Umatilla Indian Reservation. The reservation is located near Pendleton Oregon at the base of the Blue Mountains.The Cayuse called themselves the Liksiyu in the Cayuse language.