Post Views: 1,080HEISE — The Big Rock Fire remained at about 2,500 acres Monday morning, after firefighters successfully held the fire lines surrounding the blaze. RELATED | Day 3: Big Rock Fire expands to 2,500 acres overnight; more than 30 homes threatened“(Firefighters are) trying to hold and push forward to find hot spots,” Smith says. Some 126 personnel continue to fight the flames as the western edge of the fire and the north hill near Kelly Canyon Resort continue to burn. Heise, Kelly Canyon, Wolf Flats, and Table Rock remain closed. The Caribou Targhee National Forest has implemented an area closure associated with the Big Rock Fire.