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Halloween 2026 Early Access

The Great Big BOO! 2026

Theme park event in Gilroy, CA, confirmed for Halloween 2026 on its official site.

Family theme park's Halloween season with a trick-or-treat trail through the gardens, costumed characters, light displays and kid-friendly rides.

• trick-or-treat trail
• costumes welcome
• light displays
• family rides

Quick Answers

When is The Great Big BOO! open for Halloween 2026?

The Great Big BOO!: Select days Sept 25–Nov 1, 2026. Dates can change, so check the official site before you go.

Is The Great Big BOO! scary for kids?

BooMap suggests All Ages and rates it 2 of 5 ghosts on our scare scale.

Where is The Great Big BOO!?

3050 Hecker Pass Hwy, Gilroy, CA 95020.

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