Osterberg is a Grand Cru vineyard located above the town of Ribeauvillé, with gently sloping, south to southeast facing sites composed mainly of marl and limestone soils. The terroir favours Riesling, producing wines that are refined, aromatic, and precise, with citrus, white flower, and a subtle mineral line. Osterberg wines are typically elegant rather than powerful, offering balance and clarity with the ability to develop quietly over time.