Mt. Defiance gives Middleburg a more relaxed tasting stop than the polished resort and vineyard circuit. The distillery works with bourbon, rum, absinthe, apple brandy, cider, and seasonal cocktails, with a tasting room just off the main route through town.
It is a good last stop if you are walking the historic district and want something local without committing to a full winery afternoon. Check hours before going, as tasting-room schedules can shift.