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Halloween Fun for the Whole Family
The Great Big BOO returns in Fall 2025
Fun & Safe
Trick-or-Treating
Come in costume and follow the BOO Trail trick-or-treating stations throughout the park. This is a FREE, safe, & family-friendly experience for all ages to collect candy throughout Boo Alley!
Either a single-day admission ticket or valid Premium Membership is required for admission to The Great Big BOO!
The Great Big BOO!
“Do the BOO” at the live musical show that started it all! You’ll meet a charming cast of characters including Vinnie the Vampire and Frankie the Lounge Singer in a wacky adventure to save Halloween from the curse of Wendella the Witch.
Tricks & Treats on the BOO Trail
Come in costume and follow the BOO Trail throughout the park to go trick-or-treating for candy.
Note: We encourage parents to dress up too, but ask that all costumes remain family-friendly. Weapons and masks that cover the entire face are not allowed.
An Immersive Adventure
From September 19 through November 2, Gilroy Gardens Family Theme Park is completely transformed into the wacky world of BOO Alley. Discover “BOO-tiful” light displays and fun interactive adventures as you “Do the BOO” and enjoy fun Halloween adventures with your crew!
Either a single-day admission ticket or valid Premium Membership is required for admission to The Great Big BOO!
More Don’t-Miss Experiences
Downtown BOO Alley
The heart of BOO Alley is the bustling Halloween festival in the town center.
BOO
Town Hall
Kick off your visit with storyteller Sammy Jo Scarecrow and the BOO Crew.
BOO Alley Light Tunnel
Be prepared to “ooh” and “ahh” as you walk through this animated musical light display.
Premium Memberships: 
All Treats, No Tricks!
Did you know? The Great Big BOO and all special after-hours events at Gilroy Gardens are completely FREE for Premium Members.
Purchase 2025 Premium Memberships now to enjoy unlimited admission, FREE parking, 25% discounts on food and merchandise, Bring-a-Friend FREE Fridays, and other premium perks through December 31, 2025.
Premium Memberships are the best way to get the most BOO for your buck!