Colorado Halloween Events 2021

Are you ready to track down some fun events for Halloween 2021? We have put together one of the largest calendars of Halloween events in the United States for you. It locates holiday activities for all ages – from kid-friendly children’s activities to adult Halloween parties. We don’t have every event yet, but there are plenty of ideas to get you and your family in the mood for Halloween in Colorado.

Last Major Update:

At this point we have checked for 2020 dates on all events. Some websites are still holding off on releasing a date, whereas other websites have not been updated at all for this year. We leave the links up from previous events so you can check yourself if it hasn't updated yet.
All events showing 2020 dates need to be verified to confirm that changes to the schedule were not made by the organizers after publication here, due to COVID-19 (or weather or other conditions). We do not run these events, and would hate for anyone to go out of their way only to find the event had been canceled after releasing a date. Please click through to the event website to confirm! Be safe and have a great fall!

Denver Halloween

2021 Events

Denver Witches’ Ball - Denver, CO - Oct 30, 2021
Denver’s premier pagan masquerade ball, held at the Highlands Masonic Center. Two bands, dancing, drumming, costume contests, treasure hunt, marketplace and more

Past Events

Naughty Ball - Denver, CO - Sep 21, 2019
Allow your imagination to take flight at this costume party. 21+

Iluminar Aerial: Sleepy Hollow - Broomfield, CO - Sep 25 to Sep 26, 2019
Journey back to the 1700’s, where the ghost of the Headless Horseman haunts the town of Sleepy Hollow, New York looking for his long lost head. Watch as aerialists, dancers and circus artists take you on the tale of this classic story of mystery, murder and mischief. Two chances to experience our family friendly production this Halloween season!

Enchanted Hollows and Boo at the Zoo - Denver, CO - Oct 4 to Oct 27, 2019
Weekend nights at the zoo come alive with the nocturnal animals. Travel an eerie trail through the darkness, and hear the echos of the creatures and spirits, plus activities and other attractions. Trick or treating at the zoo on the two weekends before Halloween, and a 21+ party (Taps and Tales) happens after-hours on Thursdays in October. See the zoo’s website for details and tickets!

Denver Zombie Crawl - Denver, CO - Oct 5, 2019
Canceled for 2020. Next event will be in 2021. Normally: Zombie crawl through Denver. Vendor and makeup booths so you can get your perfect zombie look, costume contest, group Thriller dance, and more!

Victorian Halloween - Pueblo, CO - Oct 17 to Oct 26, 2019
The mansion opens for children of all ages for trick or treating and self-guided tours!

The Shining Ball - Estes Park, CO - Oct 19, 2019
Held in the filming location of The Shining, The Stanley is one of the most spirited hotels in Colorado. Come out for their annual Halloween ball and enjoy two floors of entertainment, music, wild decorations at the Pavilion Amphitheater, with immersive characters from the hit movie, a three-DJ silent disco, a 1920s themed jazz lounge, late night dancing and more! Dress to impress and compete for cash prizes in the costume contest.

Giant Pumpkin Festival - Colorado Springs, CO - Oct 19, 2019
Check out local businesses for delicious treats and handmade items, visit the pumpkin patch, meet characters, face painters, and balloon artists and more.

The Painted Pumpkin Festival - Pueblo, CO - Oct 20, 2019
This event will be jammed packed with hand crafted goods and kids activities inspired by fall, including pumpkin painting, Kids can paint pumpkins and enter them into our pumpkin painting contest, there will be games, shopping and more!

Tracks Halloween: Funhouse - Denver, CO - Oct 24 to Oct 31, 2019
Denver’s best halloween party, with 100,000 watts of sound, video and lighting show, costume contest with cash prizes, all over 4 nights of terror. 21+

Boulder’s Exotica Erotica Ball - Boulder, CO - Oct 26, 2019
Sexy masquerade with multiple DJs, indoor and outdoor events including fire performers, dance party, fantasy costume contest, burlesque performers, and more. 21+

Halloween Party at Howl - Denver, CO - Oct 26, 2019
Howl at the Moon Denver hosts another Halloween party with drink specials, games, and a costume contest.

The Shining Masquerade Ball - Estes Park, CO - Oct 26, 2019
Held in the filming location of The Shining, The Stanley is one of the most spirited hotels in Colorado. Moonwalk with a Michael Jackson tribute band through the dark decor of the Stanley hotel’s 110 year old concert hall, dance, drink, eat, and check out everyone’s costumes!

It’s Stitches Time - Woodland Park, CO - Oct 26, 2019
Stitches the Scarecrow shares Halloween stories and helps craft black spiders, with a costume contest, parade through the museum, treat bag and more.

Trick or Treat Street - Palisade, CO - Oct 31, 2019
Trick or Treat on the main streets in Downtown Palisade.

Kool Monster Mash - Fruita, CO - Oct 31, 2019
From 4-7pm, Dinosaur Journey is open for a free after-hours tour of the dinosaur exhibits, candy, music, and more!

Denver Halloween Costume Ball - Denver, CO - Nov 2, 2019
DJ, costume contest with $1000 grand prize, photo booth and more

For more Halloween fun in Colorado, check out our pages for these classic fall activities:
Haunted HousesPumpkin PatchesGhost Tours

Shop Funtober for Halloween Costumes