About
Grossen Bart Brewery is a grassroots craft brewery in Longmont, Colorado, known for its diverse and high-quality beers ranging from hoppy IPAs and rich stouts to sours, Belgian dubbels, and crisp lagers. They offer up to 15 beers on draft in their taproom, with canned and bottled options available to go, highlighted by their award-winning Perfect Pilsner. The brewery emphasizes creativity through experimental collaborations like the Veggie Casserole Pale Ale for Collab Fest.
Perfect Pilsner (award-winning)
Diverse styles including IPAs, stouts, porters, sours, dubbels, lagers
Experimental collaborations
Found Grossen Bart Brewery via Phantom Ales?
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Photos
What They Make
Perfect Pilsner
Crisp, refreshing, award-winning pilsner
Liquid Thanksgiving, Get Basted
Experimental collab with Mountain Merman Brewing Company for Collab Fest, tastes like Thanksgiving meal
Fillmore Fog
Collab with Platt Park Brewing for Collab Fest
Mexican Lager
Upcoming release for Cinco de Mayo
Upcoming Events
Collab Fest
April (annual)
Collaborative beer releases like Liquid Thanksgiving and Fillmore Fog
Mustache Ride
Spring (recurring)
Bicycle ride event starting at the brewery visiting nearby breweries
Cinco de Mayo Mexican Lager Release Party
May (annual)
Mexican Lager release
Latest News
Recent Collab Fest releases: Liquid Thanksgiving (Veggie Casserole Pale Ale, 5.8% ABV) with Mountain Merman and Fillmore Fog (Steam Beer) with Platt Park. Mexican Lager brew day and upcoming release party for Cinco de Mayo. Mustache Ride bicycle event in Spring.