Across the Rhine from its intersection with the Nahe begins the Rheingau, a stretch of river running east to west and exposing gentle riverside slopes and steep hillsides farther back, both of which generate some of Germany's most famous wines. The jog in the river, which otherwise flows northwards from the Alps to the North Sea, exposes a fertile stretch of south-facing slopes, providing the perfect exposure for optimal ripening of grapes. The best of these wines are round and seductive, with a racy but complex structure.
German vintners and Germany's wine law have often been their own worst enemies, and consumers understandably bemoan the unintelligibility of the labels as well as the mediocre quality of so many commercial-grade wines. It is a shame if this situation acts as a barrier to appreciating some of the world's most distinctive and versatile wines. In fact, an excellent case can be made that no other class of wine offers the stylistic diversity, nuanced expression of site and climate, and versatility at the table of German Riesling. These German wines can be adamantly dry, off-dry, or downright sweet. German Reisling wines can be complex and satisfyingly complete at a mere 7% alcohol, yet can also avoid coming off as heavy at over 14%.
The tradition of Riesling excellence in Germany makes two important presuppositions over and beyond the talents of the individual vintner. First, in a generally cool environment incorporating Europe's northernmost significant vineyards, the microclimatic conditions of a given vineyard site--its exposure to the sun, shelter from wind, proximity to water, geological underpinnings, and other environmental factors--are of paramount importance. Second, to get the most out of Riesling's potential in a good site, the grapes in any given parcel are generally harvested in multiple passes, at times weeks apart, in a process that often involves the selection of particular bunches or occasionally even of individual berries. These factors explain why most of the best German Rieslings preserve their vineyard identity and are labeled to reflect this. They also reflect the many pickings of a given vineyard through labeling with different designations of descriptions or taste.