Arboralis is “The Light from Within The Trees”. This bright, golden single malt Scotch whisky is aged in ex-Bourbon and Spanish Sherry oak casks. Aboralis delivers notes of creamy toffee and ripe pears, finishing with a long, satisfying hint of delicate spice. With a soft aroma of fruit and honey, our golden liquid is matured until it achieves its signature complex elegance for which The Glen Grant has been celebrated for over 180 years. Arboralis delivers notes of creamy toffee and ripe pears, finishing with a long, satisfying hint of delicate spice. With an ingenious mind and charismatic personality, James ‘The Major’ Grant, personally designed innovative tall slender pot stills with unique water-cooling purifiers to achieve his vision of a seductively smooth, fruity, rich, superior single malt. he Major was one of the first distillers in Scotland to introduce purifiers into the distillation process, further refining our whisky by ensuring only the very finest vapours condense into spirit. The result is an elegant and aromatic style of whisky for which The Glen Grant is renowned.