Cowpens National Battlefield or Cowpens National Battlefield Park is a unit of the National Park Service just east of Chesnee, South Carolina, not far from the North Carolina state line. Brigadier General Daniel Morgan won the Battle of Cowpens, a decisive Revolutionary War victory, here over British Lieutenant Colonel Banastre Tarleton on January 17, 1781. It is considered one of the most memorable victories of Morgan and one of the most memorable defeats of Tarleton.