Mayhem Haunted House
2026 dates coming soon
Next open
2026-10-09 – 2026-10-24
Admission
See website
$20 per person. Open 7pm to 12am with an actor's break around 10pm. No pre-sales, all tickets sold at the gate.
Location
13011 120th Avenue, Ottumwa, IA 52501
Ages 16+
Added by HCMapsLast updated September 6, 2026
The story
About Mayhem Haunted House
Mayhem Haunted House is a one-of-a-kind haunted house experience that is designed to scare and excite our guests. It features spine-tingling scenes that change year to year.
When to come
Season schedule
2026 dates haven't been published yet.
Season dates
2026-10-09 – 2026-10-24
Weekly hours
Sun7:00 PM – 12:00 AM
Mon7:00 PM – 12:00 AM
Tue7:00 PM – 12:00 AM
Wed7:00 PM – 12:00 AM
Thu7:00 PM – 12:00 AM
Fri7:00 PM – 12:00 AM
Sat7:00 PM – 12:00 AM
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