This stock photo shows an ice climber as he ascends the wall of ice that is the Upper Falls of the Johnston Creek during winter, Johnston Canyon, Banff National Park, Canadian Rocky Mountains, Alberta, Canada. Banff National Park forms part of the Canadian Rocky Mountain Parks UNESCO World Heritage Site. Johnston Creek is a tributary of the Bow River in western Alberta, Canada. It originates in the glacial valleys of Banff National Park at the feet of Cascade Mountain, and flows through a series of gorges with seven cascades to the confluence with Bow River, south of Castle Mountain, between Banff and Lake Louise.