Rock Cairns (U.S. National Park Service)

Should you knock this over?? Yes! Why did Wilderness Restoration Rangers dismantle this rock cairn? According to Leave No Trace ethics when we, By Yosemite National Park

See a rock cairn? Push it over, Yosemite National Park says - The Manual

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

Cairn - Wikipedia

I Didn't Know That!: Rock Cairns (U.S. National Park Service)

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

See a Rock Cairn? Push It Over, Yosemite National Park Says

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

Stone messengers – The Durango Herald

Eight-Stone Balancing Cairn - Indoor/Outdoor Garden Decoration

When is it OK to stack rocks on the trail? - Adirondack Explorer

Why you shouldn't stack rocks in the wild - The Washington Post

Should you push over these stacks of rocks? Here's what NPS says you should do