There has been much speculation surrounding the elusive idea of whisky and terroir. Raw evidence for an influence of terroir on the flavour of whisky is usually sought from the density and mineral content of water, the locality of barley or the microclimate and location of maturation. Yet these remain at best intangible aspects of terroir’s influence on whisky and, in some cases, easily dismissible ones. Despite this though the sense of location, geographic and geological identity in a glass of single malt remains a powerful one. How often have we fallen in sway to the little organoleptic rhythms of the sea or the forest floor; the farmyard and the industrial?