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GEMS JAM
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GEMS JAM (18+)

September 12 – 13, 2026 7:30 pm – 1:00 am
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Event Description

The Roaring Twenties are Getting a 2026 Glow-up.

On September 12, Heritage Park is transforming into a 1920s extraodinare with the premiere of a new premium event, GEMS JAM!

Find a fit even Gatsby himself would admire, grab the crew or that special someone and hit the Midway under the stars. With performances by Mariya Stokes and Devin Cooper headlining, GEMS JAM is the perfect excuse to go all out.

After the Midway closes, keep the party going and party among the vintage vehicles in Gasoline Alley, where you’ll find the After Party until 1 a.m.  

Don’t miss a night made for glitz, glamour and a little mischief. Let’s JAM. 

More to JAM About

  • Unlimited Midway rides 
  • Midway games and classic Midway food 
  • Niftie Fifty vintage car displays 
  • Buskers and live entertainment throughout the night 
  • Ride to Remember: Vintage Motorcycle Show & Shine 
  • 1920s-inspired style encouraged, but never required 
  • After After Party in Gasoline Alley Museum from 11 p.m. – 1 a.m. 
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Become a Member

Heritage Park Annual Members & Heritage Club VIPs get 15% off. Please call 403.268.8500 or email guest services to redeem offer code. 

JAM Headliners

Devin Cooper

Country-rocker Devin Cooper is known for doing country music his own way, blending gritty rock ’n’ roll vocals, bold guitar riffs and heartfelt songwriting. With more than 20 Country Music Alberta Award nominations to his name, Cooper has performed across Canada at major festivals and events including the Calgary Stampede, Big Valley Jamboree and Cavendish Beach Music Festival, and has shared the stage with artists such as Brett Kissel, Jade Eagleson, Gord Bamford and Aaron Pritchett.


Mariya Stokes

Known for her warmth, quick-wit, and for stealing her Grandma’s clothes, Canadian country artist Mariya Stokes turns messy, real-life moments into songs that feel like late-night confessions, inspired by storytellers like Kacey Musgraves, The Chicks, and Bobbie Gentry.


Ride to Remember: Antique Motorcycle Show ’N Shine

See motorcycle history roll into Heritage Park with a special Show ’N Shine featuring motorcycles from 1999 and earlier.
From beautifully restored classics to well-loved bikes with stories to tell, it’s a chance to celebrate vintage motorcycles in a one-of-a-kind historic setting.
Have a bike from 1999 or earlier? Sign up to show it off at GEMS JAM.
Ride to Remember supports the Alzheimer Society of Calgary, with 100% of ticket sales, silent auction proceeds and donations going directly to the Society.

Sign up here

Know Before You Go

  • What time does GEMS JAM start?

    Gates open at 7:30 p.m. GEMS JAM takes over the Midway from 7:30 to 11 p.m., followed by the After After Party in Gasoline Alley Museum from 11 p.m. to 1 a.m. 

  • What’s included with a GEMS JAM ticket?

    Admission includes GEMS JAM entertainment and Midway rides throughout the evening. Midway games, food and drinks will be available for purchase. 

  • Is GEMS JAM 18+?

    Yes. GEMS JAM is an adults-only event for guests 18 and older. Valid government-issued photo ID is required. 

  • Do I have to dress in 1920s attire?

    Not at all. Guests are welcome to lean into the 1920s-inspired style, but costumes and themed attire are completely optional. Come dressed for a fun night out. 

  • What entertainment will there be?

    Mariya Stokes and Devin Cooper headline the night, alongside live entertainment throughout the Midway. Guests can also check out A Ride to Remember: Vintage Motorcycle Show & Shine and Niftie Fifty vintage car displays. 

  • Will food and drinks be available?

    Yes. Midway food and drinks will be available for purchase throughout the evening. 

  • What happens after 11 p.m.?

    The party keeps going. At 11 p.m., GEMS JAM moves into Gasoline Alley Museum for the After After Party until 1 a.m. 

  • Is GEMS JAM indoors or outdoors?

    Most of GEMS JAM takes place outdoors on the Midway, with the After After Party moving indoors to Gasoline Alley Museum. Guests should dress for the weather and an evening outside. 

Visit Heritage Park

1900 Heritage DR. S.W. Calgary, Alberta, Canada T2V 2X3

Email: info@heritagepark.ca
Phone: 403.268.8500

There are plenty of ways to get to the Park, whether that be on foot, via transit, or driving. Click here to find the way that works for you!