The park posted a video on Facebook earlier this month instructing visitors to stop building large rock towers, called cairns, and dismantle any they find. In the video, a wilderness restoration ...

The park posted a video on social media showing a wilderness restoration ranger knocking over one particular rock tower – known as a rock cairn – that was as tall as an adult. "According to ...

And while the effort and aesthetics of these rock cairns may seem too precious to ruin, oversized cairns are a mark of human impact and are distracting in a wilderness setting. Officials also say ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. YOSEMITE, Calif. (KSEE/KGPE) – Have ...

Rock cairns are man-made piles of rock stacked on top of each other. According to park rangers, Leave No Trace ethics states that when recreating in wilderness spaces, the goal is to leave no ...

Rock cairns are man-made piles of rock stacked on top of each other. According to park rangers, Leave No Trace ethics states that when recreating in wilderness spaces, the goal is to leave no ...

The word cairn is derived from Scottish culture ... have adverse terrestrial impacts on insects and moss in wilderness areas. Building rock stacks can contribute to erosion and destabilisation ...

The park posted a video on Facebook earlier this month instructing visitors to stop building large rock towers, called cairns, and dismantle any they find. In the video, a wilderness restoration ...