Tennessee whiskey is an American whiskey that undergoes a filtering stage called the Lincoln County Process, in which the whiskey is filtered through a thick layer of maple charcoal before it is put into casks for aging. This step gives the whiskey a distinctive flavor. The process itself is named for Lincoln County, Tennessee, which is where the Jack Daniel's distillery was originally located. In 1871, the Jack Daniel's distillery and the surrounding area became part of the newly created Moore County.
Presently, there are only two brands of Tennessee whiskey on the market: Jack Daniel's and George Dickel.