A 13-year-old boy from Lewiston died Wednesday while riding an ATV at the Saint Anthony Sand Dunes.

The Fremont County Sheriff's Office said CPR was being performed on Hunter Christensen when they arrived around 12:30 p.m., but Christensen died before being taken to a hospital.

He was riding with other members of his family at the time of the accident. He was wearing a helmet, the sheriff's office said.