Harrisville State Park - Haunted Halloween Weekend

Harrisville State Park presents the 15th Annual Haunted Halloween Weekend, October 2-4, 2026. Come enjoy a frightfully fun outdoor experience! A full list of the weekend's activities will be provided closer to the event, but you will be able to experience things like Trick or Treat hour, a site decorating contest for campers, and a haunted trail. We are also planning to bring back the Light and Sound show in the Day Use Area. Harrisville State Park's Haunted Halloween Weekend offers fun for all ages, so come enjoy a great October weekend on the shore of beautiful Lake Huron!