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Reign of Terror Haunted House courtyard

Reign of Terror Haunted House is the largest, indoor, professional walk-through haunted house attraction in Southern California. Continuously growing in size, changing in layout and content, and operating since 1999, we feature more than 138 custom rooms in 10 different, inter-connected haunt themed sections. Covering an enormous 28,000 square feet of floor space, we are packed with terrifying scenes, swarms of living and mechanical monstrous characters, amazing scary props, and countless spectacular special effects. All designed to give you a thrilling and fun time. 

Get Ready for FALL 2024

We’ve been bringing the fear and amazing scares for 25 YEARS to become the Premiere Haunt Experience in L.A. and all of Southern California.

Fall 2024 is coming sooner than you think, so get ready to get back to ROT and see why we earned the

#1 spot in Yelp’s rating of Haunted Attractions in the U.S.

We’re proud to have been recognized by thousands of reviews across multiple platforms and grateful to have had the ability to bring our visitors with a high quality professional Haunt experience. Thank you for being a part of it year after year!

138 Bone Chilling Rooms

10 Terrifying Attractions

Over 28,000 Square Feet of floor space

Visitor Reactions

"A high-alert sensory horror wonderland of sweat, gore, and seeming danger!..You're in for thrills and chills!! ”Yelp Elite Quinten E.

"Amazing and multi-faceted...the most immersive and extensive haunt you will ever experience! ”Hollywood Gothique

"Reign of Terror will leave you screaming, jumping and squealing in fear ”CBS TV, Los Angeles

“A sprawling series of frightening scenes...the perfect place to get in the spirit of Halloween”Los Angeles Times

“Absolutely brilliant! A massive haunted house of epic scope. It goes on forever, but when it ends you're begging for more!”Horror Buzz

“With theatrics comparable to big theme parks, ROT is designed to play on your greatest fears”Ventura County Star

“Reign of Terror has been one of Theme Park Adventure’s favorite haunted attractions for the past several years”Theme Park Adventure

“This haunt rivals anything at Universal, and in a lot of ways surpasses some of the mazes at Halloween Horror Nights”Scare-Zone.com

“The decor and attention to detail at the Reign of Terror are absolutely amazing – second to none”Spooky Little Girl

Visitor Reactions

"Amazing and multi-faceted...the most immersive and extensive haunt you will ever experience! ”Hollywood Gothique

"Reign of Terror will leave you screaming, jumping and squealing in fear ”CBS TV, Los Angeles

“A sprawling series of frightening scenes...the perfect place to get in the spirit of Halloween”Los Angeles Times

“Absolutely brilliant! A massive haunted house of epic scope. It goes on forever, but when it ends you're begging for more!”Horror Buzz

“With theatrics comparable to big theme parks, ROT is designed to play on your greatest fears”Ventura County Star

“Reign of Terror has been one of Theme Park Adventure’s favorite haunted attractions for the past several years”Theme Park Adventure

“This haunt rivals anything at Universal, and in a lot of ways surpasses some of the mazes at Halloween Horror Nights”Scare-Zone.com

“The decor and attention to detail at the Reign of Terror are absolutely amazing – second to none”Spooky Little Girl