Matured in four charismatic sherry cask styles. A one-of-a-kind single malt. European oak and American oak. Firstfill and refill. This expression is a classic example of a stunning Tamdhu whisky. When it comes to craft, Tamdhus’ dedication to the cask process is vital. Sherry casks are absolutely essential for the fruity flavour and depth of colour that is distinct to Tamdhu. Cuatro Reserva is 0.7L (41.2%) and celebrates the character of our wonderfully distinctive sherry oak casks.Matured in four charismatic sherry cask styles. A one-of-a-kind single malt. European oak and American oak. Firstfill and refill. This expression is a classic example of a stunning Tamdhu whisky. When it comes to craft, Tamdhus’ dedication to the cask process is vital. Sherry casks are absolutely essential for the fruity flavour and depth of colour that is distinct to Tamdhu. Cuatro Reserva is 0.7L (41.2%) and celebrates the character of our wonderfully distinctive sherry oak casks.