California Halloween Events


California Halloween Events offer thousands of fun activities, costume contests, pumpkin patches, trick or treat events, and even doggy costume contests. 

Publisher's Note: In 2021 many California cities aren't hosting annual Halloween events, citing uncertainties & government regulations.

California Theme Parks Halloween

Here's the list of theme parks currently celebrating Halloween themes! Most offer dedicated events and attractions, some require special tickets to attend and many recommend age restrictions or describe age appropriate content.

California's Great America

Disneyland's Halloween Time

Gilroy Gardens

  KNOTTS SCARY FARM at Knott's Berry Farm in Buena Park features 13 mazes and scare zones, bands throughout the park, rides and cool shows in the oldest, largest and most dedicated Halloween scare experience, thru Oct.31, 2021.

  LEGOLAND BRICK OR TREAT takes place Saturdays after 3 p.m. in October 2021.

SeaWorld San Diego

Six Flags Discovery Kingdom

Six Flags Magic Mountain

Universal Studios Hollywood HALLOWEEN HORROR NIGHTS this year offers some favorites -- Texas Chainsaw Massacre, Halloween 4, The Exorcist, The Bride of Frankenstein.... runs through Oct.31, 2021


Attractions Celebrate Halloween

  • BUENA PARK: Pirate's Dinner Adventure
  • APPLE VALLEY: All Saints Lunatic Asylum Haunted
    BENICIA: Ghost Walk
  • LAKE ELSINORE: Field of Screams Haunted Stadium
  • LOS ANGELES: Haunted Hayride
  • LOS GATOS: Haunted Harvest Festival Goblyn's Glen
  • OJAI: Haunted Hayride at Boccali Ranch
  • PLEASANTON: Pirates of Emerson
  • SACRAMENTO: Fright Planet: World of Fear Haunted House
  • SACRAMENTO: Scream Park California
  • THOUSAND OAKS: Juan Carlo Reign of Terror
  • WOODLAND HILLS: Factory of Nightmares Haunted House

imgsHalloween City Events

Halloween City Events held usually by city municipality parks and recreation departments or community partners such as chamber of commerce and business improvement district organizations are included in a list of approx. 75 such events. City events include:

Floating Pumpkin Patches


Trunk or Treat

Pumpkin Festivals

Scarecrow Festivals

Haunted Houses


SAN DIEGO - San Diego Gaslamp Quarter Monster Bash. The streets of the ill-reputed Gaslamp Quarter bring out the wild and unimaginable souls. Costume contest, blocks of bands, parties, costumes. It's incredible!

WEST HOLLYWOOD - Carnaval attracts over 500,000 people some years to the single biggest street Halloween event in the world! the free event is open to the public and you are invited to attend on October 31, each year.

Ideally, you should see both theme park scares this year because they're going to be great!

After you've done Knott's and Universal, don't miss some hidden gems. Queen Mary's Dark Harbor was created by a former Knott's employee and uses some of the great tricks of the trade that are proven. Any place that has an authentic, haunted space (Queen Mary ship) as part of their haunt is worth the admission. In that same vein, the Winchester haunted mansion in San Jose is the real deal offering Halloween thrills, though guests are always kept corraled due to the nature of the haunted mansion, its age, collections, and valuables.

For kiddie theme park thrills, the king of scare (Knott's) has a Camp Snoopy event for kids. The happiest place on earth, Disneyland, wins honors for knowing its audience and creating a family oriented event with trick-or-treats for all ages, and a spectacular fireworks show just for Halloween.

There are two Six Flags theme parks in California (Valencia & Vallejo) and both will offer events of some sort for Halloween, though their mantra on a daily basis is "scare". Pirates of Emerson is one of the bigger draws in the Bay Area and is located in Pleasanton.

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