The best & closest rafting to Lake Louise is in Golden BC, down the Kicking Horse River. These guys know the river well. Trips include all your gear, BBQ lunch. Various trip options are available.
1416 Golden View Rd, Golden BC
888 599 5299
Wild Water Adventures
White water rafting on the Kicking Horse River for ages 8-80.
Daily rafting trips departing from the Fairmont Chateau Lake Louise lobby
403 522 2211