Pend Oreille may refer to: Lake Pend Oreille, the largest lake in the northern Idaho Panhandle Pend Oreille County, Washington, a county located in the northeastern section of the State of Washington Pend Oreille River, a tributary of the Columbia River Pend d'Oreilles tribe, an Indigenous peoples of the Northwest Plateau Pend Oreille Valley Railroad, a shortline railroad located in Usk, in northeast Washington See also Oreille (disambiguation)