2020 FlyHi 420 Festival AKA Mile High 420 Festival

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Civic Center Park

144 West Colfax Avenue

Denver, CO

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Event description
Join us Monday, April 20th from 2:00 PM - 09:00 PM for the 2020 FlyHi 420 Festival at Civic Center Park in the heart of Denver, Colorado.

About this Event

Please RSVP to this FREE festival. You do not need to bring this ticket to enter the event. We will be sending out important information leading up to the event including updates on the 2020 420 musical lineup!

Doors Open: 2:00 PM MDT

Ages: This event is recommended for adults, children not advised

The FlyHi 420 festival is the largest free 420 event in the world!!!

The FlyHi Mile High 420 is completely free to attend and is open to the public. Head over to for more information on the event.



Reminder - Public consumption of marijuana is prohibited under Colorado State law.

What are the hours?

  • The festival will be open from 2 pm - 9 pm MDT.

How is this different from previous years?

  • The festival will be taking place on Monday, April 20th. Due to park regulations there will be no amplified sound until 5pm. Beer gardens, unique vendors, dozens of Denver’s finest food trucks, cannabis craft vendors, and local charities will be open at 2pm.

What is allowed into the festival?

  • This event is all ages, however, we STRONGLY recommend leaving children at home
  • Sealed water bottles and empty reusable water bottles
  • Blanket or low profile chairs are great if you plan on hanging out all-day
  • Handheld umbrellas

What’s not allowed into the festival?

  • Bags, backpacks, large purses of any kind
  • Firearms, weapons, contraband, or laser pointers - there will be metal detectors at each entrance
  • Illicit drugs as defined by the State of Colorado- Outside food and beverage
  • Alcoholic beverages, glass bottles, coolers, picnic baskets, carry-ins of any type (we reserve the right to search bags upon entry)
  • Refillable water bottles must be emptied upon entry
  • Kites, Frisbees, balls, or other sports equipment
  • Scooters, skateboards, or inline skates
  • Pets (except service animals)
  • Bicycles (please do not lock to festival fencing)
  • Drones
  • Possession of any Marijuana over the one-ounce legal limit

Will there be food at the event?

  • Dozens of food trucks and other options will be available at the event

Will there be alcohol?

  • Yes, there will be alcoholic beverage purchase options at the beer gardens.

Is there an age limit?

  • This event is all ages, however, we highly recommend leaving children at home.

Will you search my bag?

  • We reserve the right to search bags for weapons and drugs. All attendees will be required to go through metal detectors. No backpacks or large bags.

What happens if there's bad weather?

  • This is a rain or shine event. We recommend packing layers just in case.

Is cannabis allowed at the event?

  • Public consumption of marijuana is prohibited under Colorado State law. It is also illegal to possess more than one ounce of marijuana or its equivalent in marijuana products under Colorado State law. 
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Civic Center Park

144 West Colfax Avenue

Denver, CO

View Map

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