Mile High 420 Festival
Denver's free 4/20 celebration at Civic Center Park — live music, vendors and brand activations every April 20.
About Mile High 420 Festival
The Mile High 420 Festival is Denver's free, all-ages 4/20 gathering at Civic Center Park, with headline music acts, vendor rows and brand activations. It is among the largest 4/20 events in the country and a fixture of Denver's 4/20 week.
Details for each year are published on the organizer's site in the weeks before April 20.
What Mile High 420 Festival offers
- Annual 4/20 festival (Denver)
- Vendor and sponsor packages
Details
- Category
- Awards, Cups & Festivals
- Headquarters
- Denver, CO
- Serves
- US (Colorado)
- Flagship edition
- April · Denver, CO
- Who attends
- consumers, brands, dispensaries
- Next edition
- Mile High 420 Festival — Apr 20, 2027 · est.
- Website
- milehigh420fest.com ↗
- Status
- Unclaimed · site checked 2026-08-17 · Claim this listing
Upcoming Mile High 420 Festival dates
1 item- Apr 20, 2027
Mile High 420 Festival
Denver's free 4/20 celebration at Civic Center Park, held every April 20 (a Tuesday in 2027). Not yet confirmed: Civic Center Park's 'Next 100' renovation keeps parts of the park closed into 2027, and Denver Parks & Recreation said in April 2026 that the status of the next festival 'has not yet been decided'.
Dates are checked against Mile High 420 Festival’s own site; “est.” marks a date from a third-party source we haven’t confirmed yet. Full Cannabis Calendar →
Find Mile High 420 Festival elsewhere
Mile High 420 Festival’s own site, social profiles, and independent review listings.
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This profile was researched from Mile High 420 Festival’s public site and hasn’t been claimed yet. Claim it free to confirm the details, add your logo, and earn the Verified badge.