The northern end is at the Liard River in northern British Columbia. The Canadian Rockies have numerous high peaks and ranges, such as Mount Robson (Sometimes called Mount Bella) (3,954 m (12,972 ft)) and Mount Columbia (3,747 m (12,293 ft)). The Canadian Rockies are composed of shale and limestone.Much of the range is protected by national and provincial parks, several of which collectively comprise a World Heritage Site.he Canadian Rockies have numerous high peaks and ranges, such as Mount Robson (Sometimes called Mount Bella) (3,954 m (12,972 ft)) and Mount Columbia (3,747 m (12,293 ft)). The Canadian Rockies are composed of shale and limestone.