The Curse of Blanchard Hill(2006)

Victor McShane disappeared on Blanchard Hill in the spring of 1985. No one knows what happened to him... Twenty years later, a group of campers take a hike on Blanchard, unaware that a killer is on the loose, killing people without mercy. Two detectives are called up to Blanchard Hill to solve the mystery and locate the campers before they suffer a fate worse than death...

Official site