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Mayhem Haunted House Photos & Videos

13011 120th Ave
Ottumwa, IA 52501

Winner - 2025 Haunt of the Year
Winner - 2024 Haunt of the Year
...and 4 more awards

Snapshot

Rating	191 reviews
Scare Factor	Very Scary
Admission Cost	$20 per person admission Cash and Card accepted No pre sales of online tickets
Media	5 pics , 6 awards
Details	Free Parking Touching Not Allowed Indoor Event Covered Wait Area Snacks / Refreshments Charity / Not For Profit

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Rancid is a new addition! Talk about creeps!

Creepy has been with us for many years.. back in the days of Nightmare on 3rd St Haunted House

Do you like clown! Too bad.. we have lots!

Two of the crew getting ready!

Ottumwa Octoberfest 2025 Float

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