Grossen Bart Brewery is located directly behind the Safeway on Ken Pratt at 1025 Delaware Ave. in Longmont, Colorado. We are a 10bbl Brew House and serve only our beer brewed on site. We offer weekly live music, food trucks, and FREE popcorn! We are pet and family friendly. We have a nice outdoor beer garden with a mountain view! We look forward to pouring you and your friends The Purest Form of Outlandish Character! Stay up to date with our progress and future events by subscribing to our monthly newsletter. PROST!