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Haunted Mazes / Haunted Corn Mazes
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Underhill Haunted House is Portland's newest haunted attraction. Located in the 40,000 sq ft Veterans Memorial Coliseum, it has 3 mazes with 3 levels of terror! Underhill Manor, a Victorian-inspired experience transporting guests back to another era where terror starts in a creaky mansion. Be afraid, be very afraid!

At the Clown Factory something or someone has gummed up the works and clowns are coming out, twisted, evil, and looking for a different sort of fun. If clowns terrify you than of all our haunted house experiences this one is IT for you! If you distrust the Government and pharma scientists, your worst and goriest fears are fully realized in Infectious. This experience is not for the faint of heart, so be cautious make good decisions and escape before you are infected..
Some locations may have last minute updates due to changing circumstances. Please visit the attraction's website and/or social media before going to double-check that they are open.
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Recent Reviews

  • Email Verified It's fun to get the creeps!

    The Underhill Haunted House is the most energetic and delightful experience I've had in years! My friends and I went, and I am looking to go again. There is a great cast of scary and enthusiastic characters, all spooky and creepy. It was dark enough that I needed to keep the tallest person in our group ahead of me so I didn't get lost or bump into any walls. But sometimes the walls would reach out and bump into me! Kudos especially to mad scientists and doctors, for no haunted house is complete without them! Remember, it is for Science. And in the case of this haunted maze, for charity! My other favorite characters was the...well, go and see for yourself. They are characters who I have never seen in a haunted house before!

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    Posted October 2022

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    4 out of 4 found this review helpful

Underhill Haunted House
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