By Natalie Wednesday, October 14, 2026

Tags: casa loma halloween, Halloween attractions in ontario, halloween events for adults, halloween events in Ottawa, halloween events in the GTA, halloween events in Toronto, Haunted Halloween Farms, Haunted Hayrides, Haunted House, Haunted houses, Haunted mazes, Scariest halloween events

Looking for Halloween events in Ontario that are actually scary? Leave the pumpkin trails and trick-or-treating to the kids — these haunted houses, scream parks, haunted forests and after-dark experiences are made for people who want a serious scare. From navigating Fort Henry in near darkness to walking through a haunted forest filled with live…