Comment on The stacks of rocks at national park trails are cairns and NPS wants you to leave them be

USA TODAY, Journal & Courier
Thu, 07/13/2023 - 1:28pm

The stacks of rocks at national park trails are cairns and NPS wants you to leave them be

If you're hiking along a trail in a national park and you see a rock pile, don't touch it: Cairns are often directional tools set up for hikers.