Riffel produces Riesling from Rheinhessen, Germany's largest wine region. The winery's portfolio centers on dry and off-dry expressions of the variety, with Kirchberg Riesling Trocken and Osterberg Riesling Trocken both achieving an average prestige rating of 93.0 across assessments by Falstaff, Wine Advocate, Decanter, and Wine Spectator. The Scharlachberg Riesling Kabinet, a lightly sweet style, follows at 92.3. Rheinhessen's warm continental climate and diverse soils—from clay and limestone to sandstone—support Riesling's characteristic balance of fruit intensity and acidity. Riffel's dry Rieslings reflect this terroir with mineral precision and structure, while the Kabinet demonstrates the region's capacity for nuanced sweetness without heaviness.