The Haunted Hydro in Fremont, Ohio, is one of the top haunted attractions in the country. As Northwest Ohio’s longest-running haunted house, it has been delivering terrifying experiences for 35 years. What sets this haunt apart is its location inside a 1911 hydroelectric power plant, making it the only haunted attraction of its kind. Its combination of history and horror draws thousands of thrill-seekers each year, eager for a night of unforgettable fear.
A Terrifying Experience Like No Other
The Haunted Hydro isn’t just any haunted house—it spans 4 acres of terror, offering indoor and outdoor scares. The towering walls of the historic power plant create a chilling environment that amplifies every scare. Guests navigate dark corridors, eerie hallways, and outdoor mazes designed to keep their hearts racing. Creative sets and live actors make each visit unique, delivering relentless fear when you step inside.
Dodging nightmarish creatures or being caught off guard by unexpected frights, The Haunted Hydro keeps the adrenaline pumping. Each twist and turn brings surprises that leave you wondering what might be lurking just around the corner.

Beyond the Fear: Activities to Extend the Fun
After braving the horrors inside The Haunted Hydro, the night doesn’t have to end. Visitors can enjoy axe throwing, escape rooms, and even tarot readings as part of their experience (available for purchase). These additional activities let you test your skills or challenge your friends, adding a fun and interactive element to the night. It’s the perfect way to keep the adrenaline flowing long after you’ve survived the haunted house.
The axe throwing allows you to channel your inner warrior, while the escape rooms offer a mentally challenging experience where you solve puzzles to break free. Tarot readings allow you to look into the future—if you dare—adding a mystical layer to the evening’s events.
A Night of Fear You Won’t Forget
The Haunted Hydro carefully crafts a profoundly fear-inducing experience. The eerie atmosphere inside the old hydroelectric power plant sets a perfect backdrop for terror, while skilled actors seemingly appear from nowhere, intensifying the scares. With detailed set designs, realistic costumes, and chilling special effects, the experience remains captivating and terrifying from beginning to end.
For thrill-seekers, there’s no better way to celebrate Halloween than facing the terrors that wait inside The Haunted Hydro. This legendary haunted house has been scaring visitors for 35 years and shows no signs of slowing down. Whether you’ve visited before or it’s your first time, Haunted Hydro promises a night filled with chills, screams, and memories you’ll never forget.
Plan Your Visit to The Haunted Hydro
The Haunted Hydro operates on select nights throughout October. VIP tickets are available for purchase to avoid the wait, allowing you to skip the lines and get straight to the action. With over 35 years of experience delivering terror, Haunted Hydro guarantees a heart-pounding expertise you’ll be talking about for years. Follow their Facebook for up-to-date information.
Prepare for a night of spine-tingling thrills and terrifying fun as you explore Ohio’s longest-running haunted house. Haunted Hydro’s 35 years of fear await—do you have what it takes to survive?