Mothman (2010) on Netflix

Plot summary

In Point Pleasant, West Virginia, seven high school seniors camp beside a river by an old mill said to hold the Mothman's grave. A prank on Jamie, one of their number, ends with him drowning, and the friends agree to hide the accident. Ten years later, Katharine Grant, a reporter for the Washington Weekly, is sent back to her hometown to cover the tenth Mothman Festival. She reconnects with her ex-boyfriend Derek Carpenter and with the others who stayed in town. At the festival a blind old man named Frank Waverly warns them that the Mothman will strike again, and the group finds itself hunted by an evil entity.