The Grand Canyon National Park Service posted a photo this week of two “hikers” in a scary situation as they inched their way down an ice-covered switchback along the canyon.

It’s hard to tell what the exposure below them is, but even a small fall in conditions like this could turn ugly very quickly. At a minimum, these guys should have been wearing Crampons Ice Cleats.

Tim Konrad is the founder of Unofficial Networks and a passionate skier with over two decades of experience in the ski industry. In 2006, he launched the blog from Lake Tahoe with his brother John, evolving...