Sunwapta River exiting slot channel

Geology Is Cool: Sunwapta Falls


Like earthquakes, glaciers and volcanism, waterfalls are an instance of geology operating at human time scales, geology in real time, as it were. In Canada’s Jasper National Park, near the British Columbia-Alberta border, the Sunwapta River cuts through a series of limestone ledges. Glacier fed, the Sunwapta carries glacier flour, making it more corrosive. A waterfall…