Macallan Cask Strength Matured in selected Sherry oak casks from Spain and bottled at original cask strength, without the addition of water. An exceptionally rich Single Malt, best enjoyed with a splash of water. To release the complex aromas and sumptuous flavors (Intense, Sherry, Oak, Long). Macallan Cask Strength is one of Scotland\’s most famous distilleries and produces one of the world\’s biggest-selling single malt whiskies. Situated on the banks of the Spey river in the heart of Speyside, the distillery is based at Easter Elchies estate, which covers 158 hectares (390 acres) of farmland. in June 2018. There are now 12 wash stills, plus 24 spirit stills.