The town's coat of arms combines the black cross of the Electorate of Cologne with the lion of the lords of Nürburg.
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Erich Klausener (1885–1934), magistrate of the rural district of Adenau 1917–1919, shot by the Nazis in 1934
Under Prussian administration, Retterath was a municipality in the Bürgermeisterei (“Mayoralty”) of Kelberg in the Adenau district.
Ferienregionen der Vulkaneifel sind Adenau, Brohltal, Vordereifel, Mendig, Pellenz, Ulmen, Manderscheid, Obere Kyll, Hillesheim, Gerolstein, Kelberg und Daun.