Adah, Pennsylvania, is a village in German Township, Fayette County in the U.S. state of Pennsylvania. It is known as a patch town as it was created to support a coal mine. Adah is the home of the Palmer Mine, one of Henry Clay Frick's holdings. A sub-division of adah is referred to by many as Gates: a two block patch town in itself. Gates is home to musician Todd Tamanend Clark, and musician Sachem Orenda.