Dorney Park Halloween Haunt. 2 Adult passes for use on Saturday, Oct. 27 or Sunday, Oct. 28. Every weekend night, evil takes over the park. Zombies, Psychotic clowns and other twistedness that will haunt you and your friend's dreams. This event is too intense for anyone under the age of 13. Or anyone, for that matter. Haunt attractions open at 7:00 p.m. Dorney Park, 4000 Dorney Park Rd., Allentown, PA. Donated by Drs. Edward and Joseph Ciecko.