Learn About the Importance of Cairns (And Why You Shouldn’t Make Your Own)
Since prehistoric times, humans have stacked rocks as waymarkers or memorials. Sometimes celebrated as azen practice, building cairns can have consequences. They can also disturb the environment, robbing the animals who live under the rocks of their shelter. Photo:VeishaFlickr (CC BY-NC-ND 2.0) The practice can also dislodge plants and inadvertently cause soil erosion. For these reasons, it’s technically illegal to practice rock stacking in National Parks. All parks take a leave no trace stance....