High Quality Content by WIKIPEDIA articles! Sage Ranch Airport is a private airport located 7 miles (11.2 kilometers) southeast of Sisters in Deschutes County, Oregon, USA. Sisters is a city in Deschutes County, Oregon, United States. It is part of the Bend, Oregon Metropolitan Statistical Area. The population was 959 at the 2000 census, but has grown to an estimated 1,875 as of 2008. Camp Polk was established as a military post in 1865 in response to the Paiute Indian wars that were raging throughout eastern Oregon during the 1860s and 70s. Named after the Oregon county from which the camp's commanding officer hailed, it consisted of a group of cabins along the west bank of Squaw Creek, about three miles northeast of Sisters.