The Glenlivet 21 Years Old is a prestigious single malt Scotch whisky aged for at least 21 years at Glenlivet distilleries in the historic Speyside region of Scotland. It is known for its elegant, complex and well-balanced flavor profile, the result of long maturation in casks of various types, including sherry casks, tronçais oak and colheita port, which add layers of sweetness, dried fruit, spice and depth to the whisky's character.