Both
the Ahr wine growing region and the Rhineland are within easy
travel from Bonn. The area around the city offers wine lovers
a choice: white wine is cultivated in the Siebengebirge, and
red wine has a long tradition in the Ahr valley.
German
Wine - German wine growers site available in English,
German and Japanese covers just about any topic on German wines
with good lists of wineries and vintage information...