In the Irish folk horror film, The Devil’s Woods, four friends (Keith, Jen, Jay, and Katie) head from Dublin to a music festival in the country, with the intent of camping in the woods. On the way, they run afoul of some unfriendly locals in the wonderfully-named local pub, The Hatchet Inn, and then, once in the woods, they are inexplicably terrorized by strange figures in masks.
Here’s the trailer: