1. Production Methods (The Making)
Before a spirit meets wood, its production methods have already set its weight, texture and aromatic range. A long fermentation builds fruit, a pot still keeps body and oils, a column still strips the spirit lighter. We record each method as a tag, so one drink can carry several: Pot Still Distillation, Long Fermentation and Non-Chill Filtered together tell a clear story.
Distillation
Fermentation & Raw Material
Agave & Botanicals
Wood, Filtration & Bottling
Bottling Choices Count Too
Cask Strength, Non-Chill Filtered and Natural Colour are recorded as production methods. They describe what was not done to the spirit before bottling, and they change texture and intensity in the glass.
2. Maturation Strategy (The Cask Regime)
Where the Cask Atlas records which wood was used, the maturation strategy records how it was used. A fully matured spirit and a cask-finished one may share the same casks, yet they spend their time in them in a completely different way.
Fully Matured
The spirit spends its entire life in one cask type.
Cask Finished
A period in a second cask, usually months to a few years, adds a final accent.
Double Aged
Two substantial maturation periods in different casks, rather than a short finish.
Selectively Finished
Only part of the batch is finished in a second cask before vatting.
Selectively Matured
Parcels matured in different casks are married together for the final blend.
Solera System
A fractional blending system in which young spirit tops up older casks, so every bottle holds a trace of the oldest stock.
Blended
Malt and grain whisky from several distilleries combined into one house style.
Stoneware Aged
Aged in clay or stoneware rather than wood, preserving the raw character of the distillate.
Looking for the casks themselves? Open The Cask Atlas.
3. Climate (The Angel's Share)
The same cask behaves very differently in a Scottish warehouse and in a Caribbean one. Heat pushes the spirit deeper into the wood and speeds up evaporation, the so-called angel's share. Climate is recorded as part of the maturation strategy, so a drink can be both Cask Finished and Tropical Matured.
Cool Climate Matured
Maritime Matured
Continental Matured
Seasonal Variance Matured
Tropical Matured
Cool Climate Matured
Stable, mild temperatures such as Scotland or Ireland. Gentle extraction rewards long ageing.
Maritime Matured
Coastal warehouses exposed to sea air and humidity. Often linked to a saline, briny edge.
Continental Matured
A temperate inland climate with mild seasonal changes, as in Central Europe. Steady, even maturation.
Seasonal Variance Matured
Hot summers and cold winters, as in Kentucky or Japan. The spirit moves in and out of the wood with every season.
Tropical Matured
Heat and humidity, as in the Caribbean, India or Taiwan. One year can equal several in a cool climate.
Angel's share figures are indicative industry ranges, not our own measurements.
4. How We Use It
In Explore
Every drink card shows its maturation strategy and production methods as badges, so you can see at a glance whether a bottle is cask strength, finished or tropically matured.
In AI Insights
Insights compare segments by production method and maturation strategy, and the analysis interprets how the maturation setup explains a shift in flavor. A drink is linked to an insight when its strategy and methods match the targets.