The infamous 4/20 marijuana holiday is quickly approaching and the Mile High City knows how to celebrate in style. Whether you're a local or visitor, plan to stay busy at these smokin' hot 420 events in Colorado, including activities, concerts and more. 

See below for a complete list of 420 marijuana events in Colorado for 2017. As more events and activities are announced, we will add the information below. Be sure to check out our events directory for additional events in and around Colorado during the week of April 20th!

If you have a 420 event or activity to add to our list, please contact us -- info@potguide.com.

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2017 4/20 Events in Colorado

Colorado Cannabis Tours - Denver Hotels, Tours and Classes

April 19-23, 2017 - Denver, CO

Join Colorado Cannabis Tours for Colorado Cannabis Week to gain access to the best classes and cannabis-themed events that Colorado has to offer! CCW includes world famous cannabis tours, Puff Pass & Paint classes, The Munchie Crawl, cooking classes, infused dinners and much more.

Let Colorado Cannabis Tours help make the booking process easy with the most well-respected, most trusted and best-reviewed cannabis tourism company in Colorado! They'll take care of you from the moment you step off your plane to the time your return home after your Colorado Cannabis Week Celebration!

  • 420-friendly hotels in Denver
  • Full-package deals available
  • 420-friendly transportation from DIA!
  • Dispensary and grow tours, Puff Pass & Paint and Cannabis Cooking classes, starting at $59!
  • VERY limited availability, so book now!

City Sessions 420 Bus Tours

April 20-21, 2017 - Denver, CO
Time: 12pm-4pm

Come join City Sessions Denver for a one-of-a-kind boutique bus tour experience! Each bus caps at 20 people, which gives you enough time to shop, socialize, and marinate in the experience. Sit back and relax as you are guided on an insider’s view of Colorado’s Cannabis Culture!

  • Pick up from Illegal Grounds Coffee House (925 E 17th Ave.) @ 12 pm
  • Walk through a commercial grow facility to learn and see the process of cultivating Cannabis from Clone to Cure (or its full life cycle)
  • Dispensary stop to review the product line and to purchase (with a discount)
  • Stop at a second dispensary to purchase additional product (with a discount)
  • Private glass blowing demo where the piece will be auctioned off to the group
  • Outdoor Dab/Toke session
  • Walk through the #1 Glass Gallery in the country that houses pieces that are worth upwards of a half million dollars for your viewing pleasure
  • Return to Illegal Grounds around 4 pm

Our tours are a cut above the rest, nothing tells our story better than our testimonials on both Yelp and on our site City Sessions Denver.

BOOK NOW to reserve your seat today!

World Cannabis Week

World Cannabis Week 2017
April 19-23, 2017 - Denver, CO

World Cannabis Week is a multi-day, city-wide celebration of cannabis in Denver, Colorado. WCW includes a 420 Bazaar, various events, shuttle service (with consumption), hotels, concerts, tours and more! Brought to you by the Colorado Cannabis Industry.

Check out this video of World Cannabis Week from My420Tours!

420 Eve on the Rocks

420 Eve on the Rocks
April 19, 2017 - Red Rocks Amphitheater

Check out Method Man & Redman, Flatbush Zombies, Curren$Y, Futuristic, RDGLDGRN and special guests at one of the most beautiful outdoor music venues in the country.  Looking for transportation options? Red Rocks Shuttle Buses

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Official 420 Rally - Denver

Official 420 Rally
April 20, 2017 - Denver, CO

Stop by the first and largest marijuana rally and culture festival including entertainment, food and cannabis vendors! This year’s event will take place at Civic Center Park from 10am - 7pm. Line-up is still being finalized, so stay tuned!

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420 on the Block

420 on the Block
April 20, 2017 - Denver, CO

"420 On The Block" is Denver's largest gathering to celebrate the Cannabis Community in a big way. Music in all CoClub venues (Vinyl, Bar Standard, Church, Milk Bar, City Hall, Living Room) & more TBA. One pass gets you into all venues, but there will also be a two-story marketplace in City Hall, comedy in the Living Room & meet/greet opportunities that will be announced in the coming weeks!

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The 420 Concentrate Cup

420 Concentrate Cup
April 20, 2017 - Location TBA

This is a friendly competition for the best flower and concentrates in Denver for 4/20 this year and it is free to enter so it is open to anyone who wants the title of BEST GROWER or BEST CONCENTRATE ARTIST in Denver.

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Gucci Mane @ The Ogden

Gucci Mane at The Ogden
April 20, 2017 - Ogden Theatre

Gucci Mane is back in Denver to help celebrate 4/20. Check out his show for one amazing hip hop show.

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The Expendables 4/20 Celebration @ Boulder Theater

April 20, 2017 - Boulder Theater

Blending Reggae, Punk Rock, and 80s style dueling guitar solos, The Expendables have made heads turn and floors shake for years.

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FLOSSTRADAMUS @ Red Rocks Amphitheater

FLOSSTRADAMUS at Red Rocks 2017
April 20, 2017 - Red Rocks Amphitheater

In cased you missed them last year, FLOSSTRADAMUS is back for another Red Rocks show, this time with What So Not, Gryffin and Branchez.  Looking for transportation options? Red Rocks Shuttle Buses

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DeadPhish Orchestra @ Ophelia’s

DeadPhish Orchestra with Dead Floyd
April 20, 2017 - Ophelia’s Electric Soapbox

Stop by the beautiful Ophelia's restaurant, bar and music venue to see a quartet of Colorado musicians who merge the music of the Granddaddies and Daddies of the jamband scene - The Grateful Dead and Phish.

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Uncalled Four/20

Uncalled Four
April 20, 2017 - The Oriental Theater

The most offensive game show in America where comedians write a deck of 20 terrible/hilarious answers to audience questions. The entire evening is Presented by Freaky's with spcial guest White Fudge and headliners the Ying Yang Twins. Plus, Colorado Cannabis Tours will have a consumption friendly bus parked out front all night!

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Snoop Dogg / Wiz Khalifa @ Red Rocks Amphitheater

Snoop & Wiz Red Rocks 2017
April 23, 2017 - Red Rocks Amphitheater

Check out The Wellness Retreat with Snoop Dogg, Wiz Khalifa with special guests, Cypress Hill and Berner. With these big names headlining this show at one of the best music venues in the country.  Looking for transportation options? Red Rocks Shuttle Buses

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420 Weekend at Studio420

420 Weekend at Studio420
April 20-23, 2017 - Studio420

Legal place to consume cannabis, with a bunch of stoner activities, raffles and giveaways. Come sesh at Studio420. 21+ Only, $20 per person, includes: All day access to the event from Noon until Midnight. VIP, $100 per person. Upstairs VIP Room access & swag bags!

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Past 2016 4/20 Week Events

High Times Colorado Cannabis Cup Awards Show

High Times Colorado Cannabis Cup Awards Show
April 19, 2016 - Ogden Theatre - Denver CO

April 19th, get yourself to the Rocky Mountain State and join the cannabis community for the HIGH TIMES Concert Series and the Colorado Cannabis Cup awards. The Colorado Cannabis Cup competition will take place, but will not feature an expo and adult-use area.

As always, strains will be judged by a panel of experts. Winners will be announced at our Colorado Cannabis Cup awards ceremony at our massive concert celebration featuring Cypress Hill, George Clinton and Parliament Funkadelic, Action Bronson and Chronixx & Zincfence Redemption. And be sure to check out a private exhibit of the leading Colorado cannabis companies!

Come to the Ogden Theatre in Denver, Colorado on April 19th for super music and a whole lot of marijuana merriment! It’s all part of a special 4/20 celebration, when we honor the top products of the Colorado at the HIGH TIMES Colorado Cannabis Cup.

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Snoop Dogg, Future and Friends

Snoop Dogg, Future and Friends
April 20, 2016 - Fiddler's Green Amphitheatre

3rd Annual MERRY JANE Wellness Retreat with Kevin Gates, Tory Lanez, Raven Felix

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420 At The Glitterdome

420 At The Glitterdome
April 20, 2016 - 3600 Wynkoop St, Denver

Includes: All day access to the event from Noon until Midnight on 4/20 with re-entry bracelet. We want you to enjoy all that 4/20 has to offer – so please enjoy Denver Responsibly and come back to the Glitter Dome to let the party continue!

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1st Official Colorado Cup on 4/20

April 20, 2016 - Denver, CO

This is where it starts... A REAL Colorado competition for Colorado growers, caregivers and recreational and medical shops. Enter your flower or concentrate to be judged by some of Colorado's and the country's top cannabis connoisseurs and guests who attend the event. Judging will be done the weekend and week before the event by the judges and peoples choice will be chosen the night of the event.

FREE TO ATTEND AND DAB! $20 for a guest judges collectable hatpin to try all of the entries and vote on peoples choice with your own separate dab bar!

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Denver 420 Festival by Colorado Highlife Tours

Denver 420 Festival by Colorado Highlife Tours
April 15-17, 2016 - Denver, CO

Featuring some awesome vendors of clothing, glass, recreational dispensaries, art, jewelry and more. Music, onstage and roaming entertainers. $15 Admission

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LoHi 420 Block Party

LoHi 420 Block Party

Sat, April 16, 2016 - Wed, April 20, 2016

Simply Pure
2000 W 32nd Ave
Denver, CO 80211


Website

Denver's Best 420 Celebration! See what happens when a dispensary and restaurant come together on 420 Weekend! LIVE Music! Great food and cannabis discounts! April 16, 17 and 20th! No tickets needed, but please check out our newly developed website!


PoTourist

PoTourist

Tue, April 19, 2016

The Commons on Champa
1245 Champa St
Denver, CO 80204


Website

A seminar to discuss cannabis tourism:

  • Lodging Dynamics-- who is 420-friendly and what is the upside?
  • Edibles and Consumer Safety -- including driving while impaired
  • CBD Wellness Tours -- finding answers to the cannabis therapy options
  • Travel pros' liability and local and state laws on public consumption
  • Oregon, Alaska, California, Colorado and Nevada -- CannaTourist options
  • Metro concerts, art and cuisine -- Resort outdoor fun, spa and health .

Pueblo Cannabis Society

Pueblo Cannabis Society

Wed, April 20, 2016
7:00pm - 8:00pm

100 E Abriendo Ave
Pueblo, CO 81004


Website

The Pueblo Cannabis Society is a new, Pueblo-based discussion forum that will monitor the social, economic and cultural impacts of legal cannabis on our marvelous little corner of Colorado. All members of the Pueblo community are invited to participate.


5280 Glass Showcase

5280 Glass Showcase

Wed, April 20, 2016
4:00pm - 12:00am

NATIV Hotel Denver
1612 Wazee St
Denver, CO 80202


Website

The preeminent event that presents a collection of works from Colorado based artists which showcases 60+ local glass artisans. Enjoy some Colorado brews while at the 5280 Glass Showcase and check out several Colorado based businesses.


DU Marijuana Summit

DU Marijuana Summit

Wed, April 20, 2016
12:00pm - 5:30pm

University of Denver Sturm College of Law
2255 East Evans Avenue
Denver, CO 80208


Website

On behalf of the University of Denver Sturm College of Law and the Center for Professional Development, we invite you to a comprehensive discussion on recent developments related to marijuana legalization!


Colorado Quarterly Cannabis Caucus

Colorado Quarterly Cannabis Caucus

Thu, April 21, 2016
6:30 pm - 9:00 pm

Denver, CO


Website

Join local members and supporters for NCIA’s second Colorado Quarterly Cannabis Caucus of 2016!


420 Weekend With Rich Homie Quan

420 Weekend With Rich Homie Quan

Sat, April 23, 2016
7:00pm - 12:00am

City Hall
1144 Broadway
Denver, CO 80203


Website

This event a concert, the artist is Rich Homie Quan 4/20 event, taking place Saturday April 23rd.


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