Our Beer

I.R.B.C Brews

Constantly Rotating Taps

High Pressure Vanilla Porter - (ABV 6.0 / IBU 26)

Our Porter is brewed in the old London style. Black, malty and roasty taste it will appeal to the avid dark beer drinkers and coffee drinkers alike. Moderate alcohol content and a good blast of vanilla bean at the end will broaden its appeal.

Blonde Stout - (ABV 6.1 / IBU 31)

A brewer’s challenge! The challenge was to brew a stout without the dark color. We left out the roasted barley which gives the traditional stout it’s dark color and instead flavored this beer post fermentation, with coffee, cocoa nibs, and vanilla. Beer is for breakfast again!

Citra Session IPA- (ABV 5.6 / IBU 63) Our new session IPA is hopped with Centennial Simcoe and Citra hops for that grapefruit citrus taste. It’s an American classic and brewed so you can drink more than one.

Hot Iron Orange Cream Ale - (ABV 5.0 / IBU 24)

This light bodied cream ale is infused with orange zest and coriander for a hint of citrusy sweetness, this beer is a real thirst quencher.

Incandescent Cream Ale - (ABV 5.25 / IBU 24)

A light refreshing beer brewed in the tradition of early East Coast ale brewers, cream ales are hybrid beers, fermented with ale yeast and conditioned like lagers. Ours is light-golden and finished with spicy German hops.

Zeppelin German Ale - (ABV 5.2 / IBU 21)

Full bodied and mellow this ale benefits from a good portion of Munich hops, which gives it a warm nutty flavor, and a deep golden hue. Noble hops provide a perfect balance to the German malt as this beer transports you to Oktoberfest.

Iron Horse Irish Red Ale - (ABV 6.2 / IBU 26)

A malty red with a scoop of English hops. This hearty beer is great as an appetizer, or a desert. Iron Horse Red is reminiscent of ales downed after a hard day working on the rails of the Intercontinental railroad.

Howitzer Hefeweizen - (ABV 4.9 / IBU 17)

This traditional bavarian wheat beer is an exceptional summer thirst quencher. It's made for hot summer afternoons on the I.R.B.C. deck. The light body, authentic banana and clove yeast of this beer will get you through summer.

Master Plan Amber Ale - (ABV 5.4 / IBU 32)

All american in its profile, this beer combines six different grains for a complex body full of warm caramels and toasty hints. Brewed with heaps of cascade hops from the pacific northwest to balance the rich malty body, the Master Plan finishes with a crisp bite from crystal hops which we add fresh to our fermenter. You can practically taste spring in every sip.

Bessemer ESB - (ABV 5.5 / IBU 29)

This extra special bitter is brewed as an easy drinking session beer. Mellow and refreshing with a bit of hop bite from Golding hops, rip is a satisfying thirst quencher in the Old English tradition.

Coal Hopper IPA - (ABV 6.8 / IBU 67)

Our IPA is a tasty golden beer with a hint of sweetness blended with a fistful of hops. It’s a well-balanced IPA that pairs a smooth body with all American hops, Cascade and Amarillo for a crisp citrus finish.

Pin fire Double IPA - (ABV 7.2 / IBU 84)

Named after the early revolver, this beer is shot full of citrusy American Hops. A sweet body paired with a crisp basil finish, its an easy drinking double. Careful the ABV is over 7%.

Twin Gear Double IPA - (ABV 8.2 / IBU 77)

Dry hopped with Columbus and Dr. Rudi hops from New Zealand, this big IPA comes in well balanced and tasty. The body is provided by fine English Pale and Crystal malts and it is fermented with Irish Ale Yeast. A truly international IPA.

London Bridge Brown Ale - (ABV 5.9 / IBU 23)

A caramel rich ale brewed in the old style of London browns, this beer will warm you up on a fall day. Brewed with a brown malt and plenty of crystal, its sweet and malty with a touch of English hops.

Steamboat Wheat - (ABV 4.3 / IBU 12)

Wheat is combined with barley and red rice for a light bodied beer with a sweet finish. Chamomile provides the finish along with crisp hops.

Millstone Rye Ale - (ABV 5.25 / IBU 24)

A generous helping of malted rye, right off the millstone is the key to this crisp, refreshing ale. We use hops that impart a lemon/dill finish and add a pinch of black pepper for a bite.

Dynamo Dunkelweizen - (ABV 5.0 / IBU 18)

Every bit as refreshing as the Hefeweisen, this dunkel has rich, roasted notes to go with its banana and clove yeast taste. As the sun goes down on the I.R.B.C Patio this beer becomes a toasty thirst quencher.

Smog Milk Stout - (ABV 5.12 / IBU 14)

With its thick creamy head on top, our Stout is a meal in it’s self. Chocolaty and roasty it’s as good for breakfast as it is for a nightcap.

New Zealand Pale Ale - (ABV 5.25 / IBU 37)

This Pale Ale tastes as fresh as New Zealand! Brewed with Pale Ale Malt and jammed with nothing but New Zealand hops this beer is bursting with citrus flavor. It’s no wonder that the Kiwi’s are so happy.

Novemberfest - (ABV 5.9 / IBU 28)

This hearty German inspired ale is our answer to Oktoberfest. Brewed with fine German grain and finished with Noble Hops it’s a perfect beer for cool days and cold nights. A generous helping of Munich malt gives it a soft nutty taste.

Holiday Spiced Ale - (ABV 8.3 / IBU 35)

Our spiced ale brings a warm feeling, perfect for winter weather, spiced with cinnamon, anise, cloves and ancho peppers, this brown will put magic in your nights.

Piston Pale Ale - (ABV 5.4 / IBU 41)

This is a West Coast Pale Ale, loaded with Caliente, Amarillo and Simcoe hops for a crisp fresh taste. This Pale Ale will take you on a quick trip to the Pacific Northwest, then drop you right back at the IRBC. Sit back and enjoy the ride!

Copper Kilt Scottish Ale - (ABV 5.9 / IBU 28)

From the cool rolling hills of Scotland comes the inspiration for this beer. Malty and sweet with a slight smoky taste it will bring a smile to your face on a balmy spring Colorado day. Try one and take your own trip across the waters to a different time and place.

Saison - (ABV 5.64 / IBU 29)

Originally produced by farmers in Southern Belgium the saison was brewed to be refreshing on harvest day. Ours is brewed a little bit maltier with a touch of black pepper in the finish. It’s perfect for an afternoon at the IRBC or for your own harvest.

Sour Barrel Burbon Stout

It aged in the barrel in our taproom absorbing all of those rich flavors. Now its available for a limited time. Get some while you can!

Ancho Flavored Alt - (A Collaboration with Echo Brewing)

The I.R.B.C. and Echo Brewing got together to bring you this
delicious beer. We started with an Alt Beer, a malty German ale, amber in color and finished with Noble German hops. To the fermenter we added Ancho Chile peppers, to give the beer a deep, rich Chile flavor and a slight kick in the finish. Perfect for spring or any time of year.

SMASH - (ABV 5.5 / IBU 36)

Single Malt And Single Hop. Our SMASH is brewed with only Chilean Patagonia Malt and crystal Hops from the Pacific Northwest. It’s light bodied Pale Ale with a crisp finish from the Crystal Hops. This thirst quencher is perfect after a long bike ride or a day with the kids. Single Malt And Single Hop. Our SMASH is brewed with only Chilean Patagonia Malt and crystal Hops from the Pacific Northwest. It’s light bodied Pale Ale with a crisp finish from the Crystal Hops. This thirst quencher is perfect after a long bike ride or a day with the kids.

Cannon Kottbusser - (ABV 6.4 / IBU 18)

We brewed this long forgotten German style as a tribute to rebels the world over. First crafted in the town of Cottbuss the style was outlawed by the German Purity Law because of the addition of oats, wheat, honey and molasses. We finished our easy drinking light
version of this refreshing summer beer with a hint of lemon. Enjoy the last days of summer with a Cannon Kottbusser