There this one at Llangollen that opened a field for campers and caravans last year. There were generally a couple of outfits set up when I went past. At the foot of the Horseshoe pass.
Whilst this site doesn't have a microbrewery, it is about a 20 minute stroll from Buxton which is home to Buxton Brewery and the brewery tap. They brew some fantastic beers.
Near Moss farm in Cockerham. 5 minute walk down the road is Farm Yard ales which is a converted barn on a farm where they brew there own ales and the bar is in the barn on a mezzanine floor.
Don't know how to link websites but they both have one, take a look 👀