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Whisky stills: the vessels that shape the spirit

In short: Whisky stills are large copper vessels used during the distillation stage of whisky making to separate alcohol from the fermented wash and refine the spirit’s character. There are two main types: pot stills, which are used to produce single malt Scotch whisky, and column stills, which are typically used for grain whisky. The size, shape and material of a still all influence the whisky’s final flavour, aroma and texture.

Every bottle of whisky begins its life as a carefully crafted liquid, and at the heart of this transformation is one essential tool: the still. Whisky stills are more than just vessels for distillation—they’re instrumental in shaping the character, purity, and profile of the final spirit. Their shape, size, and design influence everything from mouthfeel to flavour, and for The Glenlivet, our stills are part of what makes our whisky unmistakably smooth, balanced, and floral.

In this guide, we explore what whisky stills are, the different types used in the industry, and how The Glenlivet’s pioneering approach continues to honour tradition while perfecting innovation.

What are whisky stills?

Whisky stills get their name from the process they perform—distillation, which comes from the Latin destillare, meaning “to drip or trickle down”. A whisky still is a large copper vessel used to separate alcohol from the fermented wash, a beer-like liquid made from barley, water and yeast. As the wash is heated, the alcohol vaporises before cooling and condensing back into liquid, creating a cleaner, more refined spirit.

Distillation doesn’t simply increase the alcohol content. It also removes unwanted compounds while concentrating desirable flavours and aromas, making the design of the still an important part of the whisky’s character. Pot stills are the traditional choice for producing single malt Scotch whisky, including The Glenlivet, while other whisky styles may use different types of still depending on the spirit being created.

Learn more about the full Scotch whisky-making process.

Why are whisky stills made of copper?

Copper has been used for whisky stills for centuries because it actively improves the quality of the spirit. As the alcohol vapours pass through the still, the copper reacts with sulphur compounds created during fermentation, removing unwanted flavours and producing a cleaner, smoother whisky.

Copper is also an excellent conductor of heat, allowing for a gentle, even distillation. Combined with the shape of the still, this helps create the lighter, fruitier style associated with many Speyside whiskies. At The Glenlivet, our lantern-shaped copper pot stills play a key role in producing the elegant, floral character that defines our single malts.

Pot stills vs column stills: what’s the difference?

Whisky is typically distilled in two kinds of stills: pot stills and column stills. Each offers a different result, and their usage depends on the style of whisky being made.

Pot stills

Pot stills are widely regarded as the best type of still for single malt Scotch whisky, as they allow for greater control and flavour development during each batch distillation. Their shape and material are fundamental to the quality and identity of the final spirit.

Made of copper and used in batches, pot stills consist of a wide base (called the “pot”) and a long neck leading to a condenser. The spirit is usually distilled twice: once in a wash still and then again in a spirit still.

The shape of the pot still matters just as much as the material it’s made from. A taller still with a narrow neck encourages more vapour to condense and fall back into the still before reaching the condenser. This allows only the lighter, more delicate vapours to continue through the distillation process, producing an elegant, fruitier spirit. By contrast, shorter, wider stills typically create richer, fuller-bodied whiskies with a heavier mouthfeel.

Column stills

Also known as continuous stills or Coffey stills, column stills are used in the production of grain whisky and in some American whiskies. They work continuously rather than in batches, allowing for a faster, more efficient process. Column stills tend to produce a lighter, higher-proof spirit, which is often used in blended whiskies.

While column stills are less common in single malt Scotch, they are valued for their consistency and volume in large-scale production.

Pot stills vs column stills at a glance

  • Pot stills are used to produce single malt Scotch whisky through batch distillation.
  • Column stills continuously distil grain whisky at a higher volume.
  • Pot stills create richer, more characterful spirits.
  • Column stills typically produce a lighter, cleaner spirit that’s often used in blended whiskies.

The Glenlivet’s stills

At The Glenlivet, our stills are more than tools—they’re a legacy. We use lantern-shaped copper pot stills, a design pioneered by our founder George Smith in the early 1800s. Their shape is unique to our distillery and plays a defining role in producing the delicate, smooth whisky The Glenlivet is known for.

Our lantern-shaped stills have tall necks, encouraging greater reflux during distillation. This allows only the lighter vapours to reach the condenser, creating the elegant, fruity and floral character that has become synonymous with The Glenlivet.

We distill our wash twice for purity: first in a wash still, then in a spirit still. The wash still extracts the initial alcohol, while the spirit still refines it further, separating the desirable “heart” from the heavier “tails” and lighter “foreshots.” Only the heart is used for maturation.

Our stills are also polished inside and out to maintain the quality of the copper and ensure it continues to react with the spirit for optimal flavour. It’s this attention to detail that helps us create a spirit with clean, balanced character and the signature fruity floral notes associated with Speyside.

To see how distillation fits into the wider production process, read our guide to how Scotch whisky is made. You can also explore whisky maturation to discover how oak casks continue shaping the spirit after it leaves the still.

Do all whisky distilleries use the same stills?

No. Every distillery designs its stills slightly differently. Variations in height, neck shape, angle and size all influence how the spirit develops during distillation, meaning the stills themselves become part of a distillery’s signature style.

Where do stills sit in the whisky-making process?

Stills are used in the distillation stage, which comes after fermentation and before maturation. Here’s a quick overview of where they sit in the journey from grain to glass:

  1. Malting and mashing – Barley is malted, ground, and mixed with hot water to extract sugars.

  2. Fermentation – The resulting wort is fermented with yeast, producing alcohol.

  3. Distillation – The alcohol is heated in copper stills, condensed, and purified into spirit.

  4. Maturation – The new-make spirit is aged in oak casks, where it gains its colour and complex flavour.

  5. Bottling – After years of careful ageing, the whisky is bottled and enjoyed.

To understand how stills influence the final product, visit our guide on whisky maturation, where we explore how ageing and cask types work hand in hand with distillation to create our award-winning single malts.

Why stills matter

Stills aren’t just vessels—they’re one of the most important flavour-shaping tools in whisky production. From the clarity of the spirit to the weight of the mouthfeel and the profile of the aroma, every contour and curve of the still plays a role.

At The Glenlivet, our stills are part of a tradition that began in 1824. They reflect not only our commitment to craftsmanship, but our vision of what whisky can be—smooth, elegant, and uniquely Speyside.

Whether you’re a seasoned connoisseur or new to single malt, understanding the role of stills adds a deeper appreciation to each sip.

Explore our range and see how our stills help shape every expression in The Glenlivet collection.