Kutenai First Nation. Creston is roughly equidistant to Cranbrook (110 km to the east) and Castlegar (120 km to the west) along the Crowsnest Highway. The town is located approximately north of the United States border at Porthill, Idaho, with many businesses in Creston accepting American currency and businesses in Porthill accepting Canadian currency and selling gasoline in litres. Creston is one of the few towns in British Columbia that does not observe daylight saving time, remaining on Mountain Standard Time year round.