Jack Daniel’s Old No. 7 Tennessee Sour Mash Whiskey 1LJack Daniels Old No. 7 is a well known Tennessee whiskey celebrated for its smooth, mellow flavor. Produced in Lynchburg, Tennessee, it undergoes a unique process called the Lincoln County Process, where the whiskey is filtered through sugar maple charcoal before aging. This method gives the whiskey its signature smoothness and rich flavor profile. Alcohol Content: 40% ABV (80 proof)