So when we came across a tree streaked with bright purple paint, I didn’t assume it was modern art or my long-hoped-for doorway to a fairy realm. I figured it meant something more practical.

If you spot purple paint on your early morning hike, it might be best to turn around and find another route, because you might be trespassing. Many U.S. states abide by the "purple paint law ...

There are 19 states where if you see purple paint on trees or fence posts while out hiking, you should leave immediately. That's because purple paint denotes private property in these areas ...

According to Wide Open Spaces, the purple paint is not about adding a little ... purple stripes painted on trees count as well, and if you ignore them, you can be arrested for criminal trespassing.

A social media post going around says people walking around in wooded areas should be on the lookout for purple paint marked on trees. Jones said the purple paint is authorized by the North ...

indicating that entry is forbidden or the placement of identifying purple paint marks on trees or posts on the property.” It’s important to remember that not every state has purple paint laws.