Shanmullagh is a powerful Extra Stout from Brehon Brewhouse, an independent family brewery in County Monaghan, Ireland. Named after the ancient Brehon fortress overlooking the McMahon family farm, this beer delivers dark, roasted character with a substantial alcohol warmth.

Founded by dairy farmer Seamus McMahon as part of his farm diversification, Brehon Brewhouse has earned a reputation for traditional, characterful beers. The brewery draws on local malts and carefully selected international hops to craft distinctive flavours. Shanmullagh represents the brewery's commitment to making authentic Irish craft beer with real backbone and presence.