Longmont, Colorado

Every Pint Tells
a Story Worth
Savoring

At Top Out Taproom, Grossen Bart Brewery crafts small-batch beers that turn ordinary evenings into memorable ones — served with warmth in the heart of Longmont.

Explore Our Brews Plan Your Visit
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Grossen Bart Brewery taproom interior with rustic wooden barrels and warm lighting
Est.
Longmont, CO
Crafted with
Passion & Purpose
Our Story

Rooted in Longmont,
Built for Connection

Top Out Taproom is more than a place to grab a drink — it's where Grossen Bart Brewery brings its full craft to every pour. Nestled in the heart of Longmont, our taproom is a gathering place designed for people who believe a great beer should be an experience, not just a beverage.

Every batch is brewed with intention, using locally sourced ingredients whenever possible. We take our time because great beer can't be rushed — and we think our guests will taste the difference.

Whether you're a seasoned stout enthusiast or just discovering the world of craft beer, our doors are open and our taps are always flowing. Come as you are. Leave with a story.

12+
Beers on Tap
100%
Locally Brewed
5★
Community Pick
The Experience

More Than a Taproom —
It's a Feeling

Crafted with Care

Every beer at Top Out Taproom is brewed in small batches with premium ingredients. From hoppy IPAs to rich stouts, each pour reflects a commitment to quality that you can taste.

A Place to Gather

Our taproom is designed for connection — whether you're catching up with old friends, meeting new ones, or simply unwinding after a long week. The atmosphere is warm, the music is right, and the drinks are always cold.

Local at Heart

We're proud to be part of Longmont's vibrant community. From sourcing ingredients locally to hosting events that bring people together, Top Out Taproom is woven into the fabric of this town.

On Tap

What's Pouring
Right Now

Our taps rotate seasonally to keep things fresh and exciting. Here's a taste of what you might find — or discover something new.

Amber Ale in a pint glass with golden amber color and creamy head
Ale 4.8% ABV

Pratt Park Amber

A smooth, approachable amber with notes of toasted caramel and a clean, crisp finish. Named after the park where our brewery stands.

IPA in a tulip glass with bright golden hue and hoppy aroma
IPA 6.5% ABV

Front Range IPA

Bold citrus and pine forward, with a resinous hop character that pays homage to the Rocky Mountains we call home.

Dark stout in a pint glass with thick creamy tan head
Stout 7.2% ABV

Boulder Night Stout

Rich dark chocolate and coffee notes with a velvety mouthfeel. Perfect for those cool Colorado evenings.

Pilsner in a pilsner glass with pale gold color and delicate carbonation
Pilsner 5.0% ABV

High Country Pils

Light, refreshing, and incredibly drinkable. A Czech-inspired pilsner with a subtle floral hop bitterness.

Wheat beer in a weizen glass with cloudy golden appearance and banana notes
Wheat 5.4% ABV

St. Vrain Wheat

A German-style wheat ale with hints of citrus and banana. Smooth, effervescent, and ideal for any season.

Sour beer in a wine glass with rosy pink color and tart appearance
Sour 4.5% ABV

Rooftop Raspberry Sour

Bright, tart, and subtly sweet with real raspberries. A refreshing twist that showcases our experimental side.

Our tap list changes with the seasons. Ask your server about today's rotation — you might discover your new favorite.

Visit Us

Your Table is
Waiting

We're located in the heart of Longmont, just off Pratt Parkway. Whether you're joining us for a quick pint after work, a weekend hang with friends, or a special occasion, we've got a spot for you.

Hours
Tue–Thu: 3pm – 10pm
Fri–Sat: 12pm – 11pm
Sun: 12pm – 8pm
Mon: Closed
Location
33 S Pratt Pkwy
Longmont, CO 80501
Cozy taproom atmosphere with warm lighting and wooden bar
Close-up of beer being poured into a glass with foam forming
Bar seating area with stools and beer taps in background
Outdoor patio seating area with string lights and mountain views
Get in Touch

Ready to Raise
a Glass?

Whether you have a question about our brews, want to book a private event, or just want to say hello — we'd love to hear from you.

Get Directions (172) 065-0339
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