Out hiking? Here’s why you should leave those stones unstacked and those stacks untouched

Cairns are rock stacks that can serve as critical trail markers, and some carry cultural significance, as well. Others are purely decorative, built by visitors who enjoy designing these towers in nature, often for the sake of sharing images of delicately balanced stones on social media. Besides the fact that it violates the Leave No Trace program’s ethos that should be...

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How Stone Stacking Wreaks Havoc on National Parks

The stacks look like small shrines to mountain solitude, carefully balanced at the edge of a precipice. But when Zion National Park posted the photo, in September, the social-media coördinators for the park included a plea: “Please, enjoy the park but leave rocks and all natural objects in place.” The post noted the “curious but destructive practice” of building small...

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Please Don’t Stack Rocks

“Cairns,” Gaelic for “heap of stones” seems to be the new creek art. Surely when you’ve been out on a streamside hike in recent years you’ve noticed a pile or two of someone’s creative intrusion. These temporary natural installations may be an expression of patience and balance to the ego of the builder, but to some naturalists who practice “Leave No...

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Because this message bears repeating: Don’t. Move. Rocks!

Drive down any of the roads in a national forest or park that follow a river and you can probably spot a cairn — a stack of rocks balanced carefully on top of each other. The word comes from the Gaelic for “heap of stones” and many can be quite beautiful. Cairns can be good things when they are done right. Properly built cairns help mark trails to keep hikers from...

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British national park bosses plead with walkers to stop building cairns

National park wardens in Great Britain are pleading with walkers to stop making cairns on the mountains. Snowdonia staff say footpaths and the fragile upland environment are being damaged by the custom of picking up stones and piling them up to mark routes. The problem has become so severe that a demolition day is planned for cairns on the Cadair Idris in the South of...

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Conservationists Want You to Stop Building Rock Piles

Cairns have a long history and purpose, one that newer stacks sometimes subvert. The Gorham Mountain Trail at Acadia National park winds up through a forested mountain slope before bursting out onto one of the granite-boulder covered summits for which the park is famous. But once you get up there, following the loop back down would be tricky if it weren’t for rock stacks...

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