Stock photography, photos: The Three Sisters Stock photos of The Three Sisiters mountain near Canmore, Alberta, Canada. Photograph: © Brian Ewing Click for a larger image and more information Keywords associated with this stock photo: Canmore,Alberta,Canada,mountain,Rocky Mountains,sky,clouds,landscape,tourism,snow capped,sun,sunny,sightseeing,travel,scenic,scenery,mountaineering,scenery,Canadian,Brian Ewing,Ewing