Skier Injured in Avalanche in โGrand Daddy Couloirโ in Banff, Canada on Tuesday A 30-year-old Calgary man sustained a knee injury on Tuesday after an avalanche swept him and his friend down a couloir in Banff National Park. The injured skier was carried 1,000-feet by the size 1.5 avalanche. The avalanche occurred at 1:30pm on Tuesday in Grand Daddy Couloir off Bow peak in Banff National Park. โMy friend, who was above me, [โฆ] Avalanche AvyBrains | January 8, 2016 2 Comments