Glendronach’s traditional approach includes the use of Spanish oak casks previously seasoned with sherry, imbuing its whisky with distinctive rich, dark fruit, and spiced chocolate notes. The distillery’s commitment to these methods, even as industry trends have fluctuated, has earned Glendronach a loyal following. Its core range, including the renowned 12, 15, and 18-year-old expressions, showcases the distillery’s mastery of sherry cask maturation, offering a luxurious and indulgent whisky experience.