West Kootenay-Boundary was a provincial electoral district for the Legislative Assembly of British Columbia, Canada from 2001 to 2009.The seat combined the Rossland/Trail/Castlegar area (the putative West Kootenay component) that had previously been in Rossland-Trail with the Boundary Country, which had been in the Okanagan-Boundary riding (1991–1996) and prior to that the Boundary-Similkameen riding.For other historical and current ridings in the Kootenay and Boundary Countries please see Kootenay (electoral districts).