"This article is about the mountain range in Yukon and the Northwest Territories. For the smaller range near Mount Robson in the Canadian Rockies, see Selwyn Range (British Columbia). For the range in Australia see Selwyn Range (Australia).The Selwyn Mountains are a mountain range in northern Canada, forming part of the border between the Yukon Territory and the Northwest Territories, and which are part of the Eastern System of the Canadian Cordillera (aka the Western Cordillera)."@en .