As I mentioned in T is for Tilray Beer Brands, Littleton, I had no idea what we'll do for a "U" brewery. U was tough for rounds 1 - 4.
I've used U is for Ursula Brewery (which doesn't exist anymore), U is for oUter Range Brewing Company (which isn't in the Denver area), U is for Upslope Brewing Company (which isn't in the Denver area), and U is for BlUe SprUce Brewing Company.
I was really struggling to see anything for this round.
Luckily my intelligent (and beautiful) wife (aka, the SheppyBrew Beer Model) came up with a genius idea ...
U is for GUanella Pass Brewery