American whiskey labeled as one of these types, the whiskey must be distilled to no more than 80% alcohol by volume (160 U.S. proof) to ensure the flavor of the original mash is adequately retained, and the addition of coloring, caramel, or other flavoring additives is prohibited. All of these, except corn whiskey, must be aged at least briefly (although no minimum aging period is specified) in charred new oak containers. These restrictions do not exist for some similarly named products in some other countries, such as Canada. American corn whiskey does not have to be aged at all – but, if
American Whiskey Trail starting point. Besides recognized historic sites, a number of operating whiskey distilleries are open to the public for tours and, in many cases, tastings. Most are located in close proximity to each other in Kentucky, although a few are located in Tennessee, Pennsylvania, Utah, and West Virginia. In addition to sites and distilleries tied to the history of American whiskey production, the Distilled Spirits Council provides information and promotes a range of other distilleries around the country in conjunction with promotion of the American Whiskey Trail. The list includes two key rum distilleries – Bacardi in Catano, Puerto Rico, and