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United States
Altona
All Events Événements

Events and Things to do in Altona, CO

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Leftapalooza 2026, Presented by Colorado Materials
Sat, Jun 27, 10:30 AM
Longmont · The Garden at Left Hand Brewing
Leftapalooza 2026, Presented by Colorado Materials
Sat, Jun 27, 10:30 AM
Longmont · The Garden at Left Hand Brewing
Almost full
BSides Boulder 2026
Saturday at 8:30 AM
Boulder · University of Colorado Law School - Wolf Law Building - Wittemyer Courtroom
Almost full
BSides Boulder 2026
Saturday at 8:30 AM
Boulder · University of Colorado Law School - Wolf Law Building - Wittemyer Courtroom
Sales end soon
Humans to Titan Summit 2026
Thursday at 8:30 AM
Boulder · Southwest Research Institute
Sales end soon
Humans to Titan Summit 2026
Thursday at 8:30 AM
Boulder · Southwest Research Institute
22nd Annual Boulder Garden Tour
Sat, Jun 27, 9:00 AM
Boulder · Foothill Elementary School
22nd Annual Boulder Garden Tour
Sat, Jun 27, 9:00 AM
Boulder · Foothill Elementary School
Almost full
Boulder Comedy Festival at Niwot Hall
Tue, Jun 16, 7:00 PM
Niwot · Niwot Hall
Almost full
Boulder Comedy Festival at Niwot Hall
Tue, Jun 16, 7:00 PM
Niwot · Niwot Hall
Almost full
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thursday at 7:00 PM
Boulder · Unity of Boulder
Almost full
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thursday at 7:00 PM
Boulder · Unity of Boulder
Sales end soon
Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt
Thursday at 6:30 PM
Boulder · Boulder Bookstore
Sales end soon
Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt
Thursday at 6:30 PM
Boulder · Boulder Bookstore
Almost full
Annual Moors & McCumber Mapleton Hill Concert
Friday at 5:00 PM
Boulder · Boulder
Almost full
Annual Moors & McCumber Mapleton Hill Concert
Friday at 5:00 PM
Boulder · Boulder
Just added
Boulder Valley Middle-Income Housing Summit
Thu, Jun 18, 8:30 AM
Boulder · Kittredge Central Hall
Just added
Boulder Valley Middle-Income Housing Summit
Thu, Jun 18, 8:30 AM
Boulder · Kittredge Central Hall
FIESTA DE PACHA LUNA | Ibiza Nights
Thu, Jun 18, 6:00 PM
Boulder · 1023 Walnut St
FIESTA DE PACHA LUNA | Ibiza Nights
Thu, Jun 18, 6:00 PM
Boulder · 1023 Walnut St
Wild Provisions 5k | Boulder | 2026 CO Brewery Running Series
Sat, Jun 27, 10:00 AM
Boulder · Wild Provisions by 4 Noses Brewing Company
Wild Provisions 5k | Boulder | 2026 CO Brewery Running Series
Sat, Jun 27, 10:00 AM
Boulder · Wild Provisions by 4 Noses Brewing Company
Sales end soon
Thaw Documentary & Panel Boulder
Tomorrow at 6:00 PM
Boulder · eTown Hall
Sales end soon
Thaw Documentary & Panel Boulder
Tomorrow at 6:00 PM
Boulder · eTown Hall
Sales end soon
Rhythms of Resistance: Emily Barnes, Cat Plants & Trouble's Braids
Saturday at 7:00 PM
Boulder · Roots Music Project
Sales end soon
Rhythms of Resistance: Emily Barnes, Cat Plants & Trouble's Braids
Saturday at 7:00 PM
Boulder · Roots Music Project
Going fast
June Wine Event
Tomorrow at 6:00 PM
Boulder · Hotel Boulderado
Going fast
June Wine Event
Tomorrow at 6:00 PM
Boulder · Hotel Boulderado
Blues! Sue Foley - One Guitar Woman
Fri, Jun 26, 7:30 PM
Boulder · Roots Music Project
Blues! Sue Foley - One Guitar Woman
Fri, Jun 26, 7:30 PM
Boulder · Roots Music Project
Book Swap @ Bad Ass Coffee(Boulder)
Sat, Jun 20, 10:00 AM
Boulder · Bad Ass Coffee of Hawaii
Book Swap @ Bad Ass Coffee(Boulder)
Sat, Jun 20, 10:00 AM
Boulder · Bad Ass Coffee of Hawaii
Going fast
MOMS UNHINGED!
Sunday at 7:00 PM
Louisville · The Louisville Underground
Going fast
MOMS UNHINGED!
Sunday at 7:00 PM
Louisville · The Louisville Underground
Club Wealth - Two Events One Day! | Boulder, CO
Tue, Jun 16, 8:30 AM
Louisville · Courtyard by Marriott Boulder Broomfield
Club Wealth - Two Events One Day! | Boulder, CO
Tue, Jun 16, 8:30 AM
Louisville · Courtyard by Marriott Boulder Broomfield
Summer Solstice Rebirthing & Sound Bath
Sun, Jun 21, 11:30 AM
Boulder · The StarHouse
Summer Solstice Rebirthing & Sound Bath
Sun, Jun 21, 11:30 AM
Boulder · The StarHouse
Going fast
BMA Skills Clinic - Progression Session: Drops
Tue, Jun 23, 5:30 PM
Boulder · Valmont Bike Park
Going fast
BMA Skills Clinic - Progression Session: Drops
Tue, Jun 23, 5:30 PM
Boulder · Valmont Bike Park

1 of 357

Things to do around Altona

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Trends in Altona

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Frequently asked questions about Altona

What are the best events to attend?

According to Eventbrite, the best events are:

Leftapalooza 2026, Presented by Colorado Materials

BSides Boulder 2026

22nd Annual Boulder Garden Tour

Boulder Comedy Festival at Niwot Hall

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:

Thaw Documentary & Panel Boulder

June Wine Event

Humans to Titan Summit 2026

Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt

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