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Trunk or Treat & Halloween Events in Thornton, CO
Top Halloween picks in and around Thornton: Haunted Field of Screams, Fright Fest at Elitch Gardens and The 13th Floor Haunted House. We've mapped 1 event and attraction in Thornton and 8 more nearby (3 halloween festivals, 3 haunted houses, 2 haunted trail / hayrides). 4 are family-friendly. Tap any listing for dates, times and directions.
Updated Nov 12, 2026
Near Thornton (within 25 miles)
Tap + Route on a few stops to get one driving route you can send to your phone (how it works). Hosting a trunk-or-treat in Thornton? Add it free.
Halloween in Thornton: common questions
Are there trunk-or-treats in Thornton?
None are mapped in Thornton yet. Churches, schools and towns usually announce trunk-or-treats in late September and October. If you're hosting one, add it free and families will find it here.
What are the best haunted houses near Thornton?
Haunted attractions near Thornton include Haunted Field of Screams (2026: from $30), Fright Fest at Elitch Gardens (2026: Haunt Pass from $40 (park admission not included)), The 13th Floor Haunted House (2026: from $19.99) and The Frightmare Compound (2026: from $40). Most open on weekends from late September and run nightly the week of Halloween. Buying timed tickets online usually means a shorter line.
What Halloween events in Thornton are good for little kids?
Family-friendly picks include Halloween Creature-fest, Magic of the Jack O' Lanterns, Boo at the Zoo and Crawl-O-Ween at Butterfly Pavilion. Trunk-or-treats and daytime festivals are the gentlest; haunted houses marked "very scary" are meant for teens and adults.
Hosting a trunk-or-treat in Thornton?
Churches, schools, neighborhoods, fire departments and businesses can list a trunk-or-treat or Halloween event for free. Families find it on the map with the date, time and directions.
Add your event free