High Quality Content by WIKIPEDIA articles! Fort Harney was a United States Army outpost in eastern Oregon, United States. It was name in honor of Brigadier General William S. Harney. Fort Harney was used as a supply depot and administrative headquarters from 1867 to 1880 during the Army`s campaign against Northern Paiute bands in Eastern Oregon and the Bannock uprising in the same area. Today, nothing remains of Fort Harney except a small cemetery.