German wine-growing regions don't come much smaller than the region around the Ahr river. Wine-growers here go to great lengths to cultivate exquisite vines on the smallest scraps of land and on steep slopes. Alongside portugieser and dornfelder, the most popular grape varieties in this region famous for its red wines are pinot noir and pinot madeleine. But even the relatively small proportion of white wines produced here are of exceptional quality. The Ahr terroir is characterised by rocky slate soils and very low rainfall.