Fort Selkirk or Selkirk, trading post, SW Yukon, Canada, at confluence of Lewes and Pelly rivers, here forming Yukon R., 110 mi/177 km SE of Dawson; 62°46'N 137°23'W. Royal Can. Mounted Police post. Fort was est. 1848, destroyed by Indians 1852. Hudsons Bay Company re-established the post in 1938.