GEOLOGY OF WHISKY 83 Figure Clynelish Distillery at Brora in Sutherland Figure The Tarlogie Spring; the source of hard water used by the Glenmorangie Distillery near Tain in Ross shire (Figure 1) They use water from boreholes, rivers, springs, and lochans (small lakes), and every water source is unique in terms of its chemical make-up; distillery waters vary significantly not only in the chemistry of the major elements, but even apparently similar waters have markedly different trace element profiles (Figure 2) The study of malt whisky is in a very real sense a study of the geology of Scotland