Little vineyard in spring.The Rheingau (English: Rhine District) is the hill country on the north side of the Rhine River between Wiesbaden and Lorch near Frankfurt, reaching from the western Taunus to the Rhine. It lies in the state of Hesse and is part of the Rheingau-Taunus-Kreis administrative district. It is famous for Rheingau wines, especially the Rheingauer Riesling, and its many wine taverns.