Rock Cairns (U.S. National Park Service)

Yosemite says rock cairns are bad — and you should knock them down - Los Angeles Times

Making rock stacks upsets habitats, cairns are different, LNT

Types of Rocks and Soil, rocks

Rock Cairns (U.S. National Park Service)

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

Amanda Lasley on LinkedIn: Fellow ACA instructors, check this out.

Cairn Kickers United

Rock Stacking –

pixL photography

Cairn erected in 1903 on Rincon Peak southeast of Tucson destroyed

Amanda Lasley on LinkedIn: It's very exciting to be able to combine two things I love, paddling and…