Kentucky is the undisputed centre of bourbon production, responsible for approximately 95% of the global supply. The state's unique geological advantage — extensive limestone shelf filtering iron from water while adding calcium — provides ideal distilling conditions. Kentucky's hot summers and cold winters drive aggressive barrel interaction, accelerating maturation. Major producers include Maker's Mark (Loretto), Woodford Reserve (Versailles), Buffalo Trace and Wild Turkey (Lawrenceburg), Four Roses (Lawrenceburg), Jim Beam (Clermont), and Heaven Hill (Bardstown). The Kentucky Bourbon Trail draws over 1.5 million visitors annually.
