This stock photo includes a tourist stopping along the trail to look at a pool which has formed along the Johnston Creek surrounded by ice and snow during winter in 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.