Junction of Highway # 3a, # 21 Town of Creston. Creston is situated in the southeast corner of British Columbia, between the Selkirk and Purcell Mountains. In the centre of the Kootenays. South to Canada / United States Border Crossing, 13 kms. West to communities of Cranbrook, Kimberley Crow's Nest Pass A very scenic drive through Manning Provincial Park, various valleys, semi-desert, and the Rocky Mountains. Quite a variation of geography for one highway.