While each park handles cairns differently, the general rule at all parks is to not mess with the rock piles if you come across one. "Don’t knock it down or add to it," the article states.

SIDNEY — The annual Arbor Day celebration in Sidney will begin at 10 a.m. Friday, April 26, at the Keith Clark Park pavilion with a musical performance by the elementary ...

While each park handles cairns differently, the general rule at all parks is to not mess with the rock piles if you come across one. "Don’t knock it down or add to it," the article states.