#StayHappening
Sat Oct 31 2026 at 12:00 pm to 08:00 pm UTC-06:00

DarknessCon Denver

  • The Castle Event Center · Thornton
DarknessCon Publisher / Host DarknessCon
Share
DarknessCon Denver
Advertisement
🎃 DarknessCon Denver Returns for Halloween 2026! 🎃
DarknessCon Denver is back—and admission is FREE!
Join us on Saturday, October 31, 2026, from 12:00 PM – 8:00 PM at The Castle Events Center in Thornton, Colorado, for a full day celebrating horror, Halloween, the paranormal, cosplay, and all things delightfully dark.
Whether you're a lifelong horror fan, paranormal investigator, Halloween enthusiast, or simply looking for a unique way to spend October 31st, DarknessCon Denver has something for everyone.
Spend the day exploring:
👻 Horror & Paranormal Vendors
🎨 Artists & Artisans
🎤 Guest Speakers & Presentations
🔮 Paranormal Programming
🎭 Cosplay & Costumes
🛍️ Exclusive Shopping
🦇 Interactive Activities
💀 And much more!
Bring your friends and family and discover an unforgettable Halloween experience filled with unique vendors, engaging presentations, hands-on activities, and a community that shares your love of all things spooky.
📍 Location
The Castle Events Center
83 E. 120th Ave.
Thornton, CO 80233
🕛 Convention Hours
Saturday, October 31, 2026
12:00 PM – 8:00 PM
🎟️ Admission is FREE!
🌙 Don't let the fun end at 8 PM! Stay with us for the Dark Harvest Masquerade Ball from 9:00 PM – 2:00 AM in the same venue. Dance the night away with two spectacular performances by the Queens of Darkness, live entertainment, magicians, aerialists, body painters, a full bar, VIP experiences, and more. Separate ticket required.
Advertisement

Event venue

The Castle Event Center, 83 E 120th Ave, Thornton, CO 80233-5701, United States

Tickets
Concerts, fests, parties, meetups — all the happenings, one place.

Discover more events by tag

Ask AI if this event suits you

Keep the plans coming

More events in Thornton

Trunk Or Treat

Fri, 30 Oct at 04:30 pm The Learning Experience Thornton

Thornton is happening.

See everything else that’s on — concerts, markets, comedy and more.