April 4, 2026 at the Westin Westminster

Neighborhoods & Heavy Hitters

Get ready for the ultimate liquid reunion! On April 4th, Colorado’s craft community is turning the volume up to eleven for Collaboration Fest. This isn’t just about the beer; it’s about the 160+ breweries who have spent months trading secrets and sharing yeast to bring you something truly unique. These rare beers are born from shared history, and once the kegs are kicked, they’re gone for good. The FOMO is real folks, grab your tickets now to get the best deal!

The “Neighborhood Watch” Series

These breweries are teaming up with their literal next-door neighbors to celebrate the local scenes in Castle Rock, Littleton, and beyond.

  • Castle Rauch (Alidade Brewing, 105 West, Wild Blue Yonder, Rockyard, & Los Dos Potrillos)
    • The Vibe: A smoked porter with cherries, brewed by the entire Castle Rock neighborhood.
    • The Story: A Castle Rock neighborhood collaboration! As the newest member of the community, Alidade was excited to team up with neighbors to create a fun and unique collaboration style.
  • Midnight Summit (Living the Dream Brewing Company & Littleton Brewing)
    • The Vibe: A traditional, decocted Schwarzbier celebrating mutual love for the Littleton community.
    • The Story: We’d been talking about collaborating for a while, showing some mutual love and respect for our Littleton community. We were excited to do a traditional, decocted lager to build incredible body and highlight Root Shoot malt.
  • Verde Veritas (Cheluna Brewing & Second Dawn Brewing)
    • The Vibe: A zesty fruited lager inspired by a shared neighborhood’s vibrant history.
    • The Story: Inspired by our neighborhood’s vibrant history and culture, as well as our respective house Mexican lagers, we kicked it up with tangy tomatillo, a jalapeño kick, and just a touch of salt.
  • Rotbier (Littleton Brewing and TightKnit Brewing Co.)
    • The Vibe: A modern, decocted Red Lager with extra deep flavor and aroma.
    • The Story: A modern take on a classic lager. Decocted for extra deep color, flavor & aroma.
  • Step Father Figure (River North Brewery & Los Dos Potrillos)
    • The Vibe: A West Coast Mexican Lager built on years of friendship.
    • The Story: The brewers at Los Dos Potrillos and River North have been friends for many years. What better reason to collaborate than as an excuse to drink and brew beer with old friends.

The “GABF Heavy Hitters” & Award Winners

When the most decorated breweries in the country put their heads together, the result is nothing short of legendary.

  • Spirit of the Fu! (Westbound & Down Brewing & North Park Beer Company)
    • The Vibe: A mashup of two award-winning New Zealand IPAs.
    • The Story: Both breweries have won multiple awards in the NZ IPA category over the years. After congratulating each other for award wins year after year, we decided to create Spirit of the Fu!, our mashup of our award-winning NZ IPAs.
  • Morally Dankrupt (Cannonball Creek & ISM Brewing)
    • The Vibe: A “massively aromatic” and highly drinkable West Coast IPA.
    • The Story: A Collaboration built on mutual respect between two WCIPA breweries. 
  • The Czar’s Bastard (OCC Brewing, Root Shoot Malting, & Brewing Science Institute)
    • The Vibe: A Barrel-Aged Baltic Porter using whiskey barrels.
    • The Story: Our friend from Whiskey Slickers picked a barrel of Root Shoot’s award-winning American Single Malt Whiskey and gifted us the barrel. We filled it with a Baltic Porter made with Root Shoot malts and BSI yeast.
  • Rocky Mountain Advantage (Westbound & Down, River North Brewery, & Cannonball Creek)
    • The Vibe: A West Coast IPA brewed by THREE 2025 GABF “Brewery of the Year” winners.
    • The Story: Brewed in celebration of all three Colorado breweries receiving Brewery of the Year awards at the 2025 Great American Beer Festival. This is the Welcome beer at Collab Fest and will be handed out to every attendee upon entrance.

The “Old Friends & Codgers” Collection

Classic styles and clean finishes from brewers who have been in the game for years.

  • Stay Grassy Colorado (Highside Brewing & BBQ and Animas Brewing Company)
    • The Vibe: An easy-drinking Belgian Wit with lemongrass and coriander.
    • The Story: A couple of old codgers and friends for many years brewing a collab again! We want this beer to be a hit without the hype of something ridiculous or stupid… or we wouldn’t be old and cranky!
  • Dort Lager (Crystal Springs Brewing and Grimm Brothers)
    • The Vibe: A Dortmunder Export, think of it as a “pilsner on roids.”
    • The Story: Dortmunder lagers don’t always get the love they deserve in Colorado. Grimm and Crystal bonded over a shared love of German beers and a shared distributor.
  • Western Export (Glenwood Canyon Brewing and Blacktooth Brewing out of Wyoming)
    • The Vibe: A Pre-Prohibition style lager honoring Western brewing traditions.
    • The Story: Honors the brewing traditions that helped shape the American West. Colorado ingredients lead the way with Root Shoot malted barley and corn.
  • Italian Pils (Cannonball Creek and Glenwood Canyon Brewpub)
    • The Vibe: A pale, hoppy lager built on mutual respect.
    • The Story: Mutual respect between two breweries with a passion for pale hoppy lager.