Robert HardingSome waterfalls freeze in winter, and every year adventurous souls climb the impressive ice columns with pickaxes and crampons. Here are some of our favourite shots of these daredevils.
A man wields his ice axe while ice climbing a frozen waterfall near Ouray, Colorado.
An adventurous female wearing a green jacket climbs a frozen icy waterfall near Pemberton, British Columbia, Canada
An ice climber tops out on frozen waterfall by Haffner Creek in Kootenay National Park, British Columbia, Canada
A man ice climbing a frozen waterfall through a sandstone arch in Utah