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find Halloween events for every vibe.

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Altona
Holiday Events This Month

Holiday events this month in Altona, CO

Search for something you love or check out popular events in your area.

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This month

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This month

Holidays

Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Boulder's Best Halloween Weekend Bar Crawl
Boulder · Best Bars in Boulder
Nearly full
Holiday Minis at Childish Things in Boulder
Saturday at 11:00 AM
Boulder · Childish Things
Nearly full
Holiday Minis at Childish Things in Boulder
Saturday at 11:00 AM
Boulder · Childish Things
Nearly full
Halloween at The Merc with Bourbon Brass Band
Fri, Oct 31, 5:00 PM
Jamestown · Jamestown Mercantile
Nearly full
Halloween at The Merc with Bourbon Brass Band
Fri, Oct 31, 5:00 PM
Jamestown · Jamestown Mercantile
Nearly full
Halloween Silent Disco -21+ Party!
Saturday at 8:30 PM
Louisville · The Louisville Underground
Nearly full
Halloween Silent Disco -21+ Party!
Saturday at 8:30 PM
Louisville · The Louisville Underground
Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Nearly full
Halloween Silent Disco - All Ages Family Party!
Saturday at 6:00 PM
Louisville · The Louisville Underground
Nearly full
Halloween Silent Disco - All Ages Family Party!
Saturday at 6:00 PM
Louisville · The Louisville Underground
13th Annual Halloween Costume Dance Party
Fri, Oct 31, 8:00 PM
Louisville · The Courtyard - Event Space
13th Annual Halloween Costume Dance Party
Fri, Oct 31, 8:00 PM
Louisville · The Courtyard - Event Space
Ned Gen Halloween Party with Bear Hat and Something Slight
Fri, Oct 31, 8:00 PM
Nederland · Ned General
Ned Gen Halloween Party with Bear Hat and Something Slight
Fri, Oct 31, 8:00 PM
Nederland · Ned General
Sales end soon
Pups & Pumpkins Harvest Gathering
Saturday at 2:00 PM
Boulder · Ember & Ice Boulder
Sales end soon
Pups & Pumpkins Harvest Gathering
Saturday at 2:00 PM
Boulder · Ember & Ice Boulder
Sales end soon
Main Event Thornton-Halloween Boo-wling Spooktacular*
Sunday at 11:00 AM
Thornton · Main Event Thornton
Sales end soon
Main Event Thornton-Halloween Boo-wling Spooktacular*
Sunday at 11:00 AM
Thornton · Main Event Thornton
Sales end soon
Cap'n Sue's Pirate Halloween Bash & Booty Raiser
Saturday at 6:00 PM
Loveland · Forge Event Center
Sales end soon
Cap'n Sue's Pirate Halloween Bash & Booty Raiser
Saturday at 6:00 PM
Loveland · Forge Event Center
Nearly full
Spooktacular Cookie Decorating Class
Tuesday at 6:00 PM
Arvada · The Arvada Community Room
Nearly full
Spooktacular Cookie Decorating Class
Tuesday at 6:00 PM
Arvada · The Arvada Community Room
Main Event Windsor-Halloween Boo-wling Spooktacular*
Thu, Oct 30, 4:00 PM
Windsor · Main Event Windsor
Main Event Windsor-Halloween Boo-wling Spooktacular*
Thu, Oct 30, 4:00 PM
Windsor · Main Event Windsor
Nearly full
KangaBOO at Kangaroo Ranch Studio (indoor)
Saturday at 4:15 PM + 16 more
Wheat Ridge · Kangaroo Ranch
Nearly full
KangaBOO at Kangaroo Ranch Studio (indoor)
Saturday at 4:15 PM + 16 more
Wheat Ridge · Kangaroo Ranch
Sales end soon
6th Annual Trail of Treats at Arvada Great Harvest!
Saturday at 9:00 AM
Arvada · 7745 Wadsworth Blvd
Sales end soon
6th Annual Trail of Treats at Arvada Great Harvest!
Saturday at 9:00 AM
Arvada · 7745 Wadsworth Blvd
Selling quickly
Boos & Brews Halloween 5k @ Number 38 | 2025 CO Brewery Running Series
Saturday at 10:00 AM
Denver · Number Thirty Eight
Selling quickly
Boos & Brews Halloween 5k @ Number 38 | 2025 CO Brewery Running Series
Saturday at 10:00 AM
Denver · Number Thirty Eight
Selling quickly
Halloween Costume Party featuring DJ Drake
Fri, Oct 31, 6:00 PM
Denver · Elks Lodge #17, 2475 West 26th Avenue, Denver, CO, USA
Selling quickly
Halloween Costume Party featuring DJ Drake
Fri, Oct 31, 6:00 PM
Denver · Elks Lodge #17, 2475 West 26th Avenue, Denver, CO, USA
Halloween Comedy Show & Costume Contest
Fri, Oct 31, 7:30 PM
Denver · Tekka Asian Cuisine
Halloween Comedy Show & Costume Contest
Fri, Oct 31, 7:30 PM
Denver · Tekka Asian Cuisine
Sales end soon
Paint + Potions: A Halloween Experience in space
Tomorrow at 5:30 PM
Wheat Ridge · space
Sales end soon
Paint + Potions: A Halloween Experience in space
Tomorrow at 5:30 PM
Wheat Ridge · space
Selling quickly
GROWL-O-WEEN. Trick-or-treating for your DOG!
Saturday at 12:00 PM
Denver · Three Dog Bakery
Selling quickly
GROWL-O-WEEN. Trick-or-treating for your DOG!
Saturday at 12:00 PM
Denver · Three Dog Bakery

1 of 12

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Trends in Altona

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Frequently asked questions about Altona

What are the best events to attend this month?

According to Eventbrite, the best events this month are:

Boulder's Best Halloween Weekend Bar Crawl

Halloween at The Merc with Bourbon Brass Band

Halloween Silent Disco -21+ Party!

Coloween 2025: Open Bar & Haunted Bounce Empire

Which events are currently trending in Altona?

The trending searches this month in Altona are:

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Paint + Potions: A Halloween Experience in space

6th Annual Trail of Treats at Arvada Great Harvest!

Boos & Brews Halloween 5k @ Number 38 | 2025 CO Brewery Running Series

Holiday Minis at Childish Things in Boulder

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