Known for its sherry cask maturation, The Glendronach - located in the Valley of Forgue in the Scottish Highlands - has been crafting single malts continuously since 1826, with one break from 1996 to 2002 (meaning, the new expressions use barrels predating the brief shutdown). Most of its acclaim has come recently: The brand released its flagship 12-, 15- and 18-year-old bottles in 2009, and in 2016, drinks giant Brown-Forman purchased The Glendronach and appointed Rachel Barrie as master blender