Auchentoshan 21 Year Old Single Malt Scotch Whisky

Distillery Background and History

Auchentoshan is a Lowland distillery located in Dalmuir, near Glasgow, Scotland. Founded in 1823, it is known for its distinctive triple distillation process, which yields a lighter, more delicate spirit compared to many Scotch whiskies.  Over the years, Auchentoshan became part of Morrison Bowmore, and eventually owned by Suntory, integrating Scottish tradition with global whisky expertise. 

Master Distiller and Production Philosophy

While there is no single publicly named “master distiller” for the 21 Year Old expression, Auchentoshan’s production and blending team emphasize smoothness, elegance, and balance. Their philosophy is that triple distillation and careful cask selection should allow age and oak character to develop without overwhelming the spirit’s delicate profile. 

Source of Ingredients (Grain, Water, Yeast)

The whisky is made from 100 % malted barley, lightly peated—or essentially unpeated—consistent with Auchentoshan’s style. The water source is drawn from local springs, supplemented via Auchentoshan’s water infrastructure in the Lowlands. Yeast strains are internal to the distillery; details are not publicly disclosed in my sources.

Distillation Process

Auchentoshan is unusual among Scotch distilleries in employing triple distillation—meaning the wash is distilled twice and then a further “intermediate” distillation before final spirit distillation. This extra distillation step is intended to remove heavier congeners and produce a cleaner, lighter spirit.  The final cut is then reduced and matured.

Maturation & Cask Information

The 21 Year Old is matured for at least 21 years in a mixture of American bourbon oak casks and Spanish sherry casks (Oloroso).  The dual cask regimen contributes both fruit, oak spice, and richness from sherry influence, as well as the freshness and structure from bourbon casks.

Tasting Notes

Nose: Gooseberry,vanilla, oak, freshly cut barley. 

Palate: Light chocolate, green fruit, honey, old oak, soft malt, a subtle interplay of sweet and dry notes. 

Finish: Long and lingering, with oak, honey, and gentle floral/fruit notes. 

Food Pairing Suggestions

Serve with fruit tarts (especially apple or pear), soft cheeses (like Brie), light chocolate desserts, or smoked salmon. The delicate and fruity character of the 21 Year Old complements these without overpowering them.

Serving Suggestions and Ideal Glassware

Serve neat or with a few drops of water to open the flavors. Use a Glencairn or tulip whisky glass to focus the aromatics. Let it rest in the glass for a few minutes before tasting. Ideal serving temperature: about 18-20 °C.

Storage and Aging Potential

Once bottled, the whisky is stable. Store upright in a cool, dark place. As it is a matured 21-year expression, further improvement in bottle is minimal—best enjoyed in the years following bottling.

Grain Type & Mash Bill

Single malt (100 % malted barley)

ABV (Alcohol by Volume)

43 % (86 proof)