Oct23Fri
Halloween Spooktacular (Westminster)
Candy-filled trunks, seasonal activities and an open-air movie at the Civic Center.
On set dates
77 events
Oct30Fri
Halloween Howl
Candy, games, prizes and a costume contest for kids.
Nov1Sun
Dinosaur Dash
A 2K fun run, timed 5K and 10K, bike rides and a family expo that raise funds for Tustin public schools.
Oct24Sat
Boo Bash 2026
A Halloween party for all ages: trunk-or-treat, pumpkin decorating, costumes, dancing and prizes.
Oct24Sat
Halloween Carnival at Los Alamitos Race Course
Carnival games, a costume contest and live horse racing. Adults $3; kids under 18 free.
Running all season
15 listingsSeasonMulti-week
"Hallowe’en Greetings and Tricks, Treats, and Traditions" at Muzeo
A museum exhibit on how Halloween began and how Anaheim has celebrated it for a century, timed with the Anaheim Fall Festival's 100th anniversary.
SeasonMulti-week
Halloween Time at the Disneyland Resort
Giant pumpkins on Main Street, Haunted Mansion Holiday and Halloween overlays on popular rides.
SeasonMulti-week
Oogie Boogie Bash
Separately ticketed Halloween party with a parade, Villains Grove and treat trails. Often sells out early.
SeasonMulti-week
Haunted Fullerton Walking Tour
A guided downtown walk that blends local history with stops at reputedly haunted landmarks, led by the Fullerton Museum Center. Tours run Wednesdays through Fridays in...
SeasonMulti-week
Howl-O-Ween at Great Wolf Lodge
Halloween programming at the resort, including a trick-or-treat trail, yoga, a dance party and an art class.
SeasonMulti-week
Irvine Park Railroad Pumpkin Patch
Train rides through the park, hayrides, moon bounces and a Great Pumpkin weigh-off.