Cornelia will mark the "dog days" of early spring Sunday at its PetFest 2012. The event is scheduled for 2-4 p.m. at the new off-leash dog park, Club Canine, located adjacent to the Community House parking lot at La Vista and Front streets. The festival offers fun and games for pets and their humans along with a ribbon-cutting ceremony at 2 p.m. to open Club Canine.