A Haunted Trail will be held Friday, October 24, beginning at 4 p.m., at Fred Gannon-Rocky Bayou State Park. Admission is free.Advertisement Niceville.com Community Partner The trail is open to younger children only from 4 p.m. to 5 p.m., and 5 p.m. to 7 p.m. for older children. A free Haunted Trail will be held on Friday, Oct. 24, 4 p.m. to 7 p.m., at Fred Gannon-Rocky Bayou State Park in Niceville.