On the fringes of Ribeauvillé, bounded to the south by the "Osterbergweg" path and to the west by the Grand Cru Geisberg, lies the Osterberg. Its 24,60 ha of medium to steep slopes face east-southeast, at an altitude of from 250 to 350 metres, benefitting from excellent exposure to the sun. The soil is stony clay, overlying a subsoil of Marl and middle Muschelkalk soil with, to the east Lettenkohle with dolomite calcareous (magnesian limestone) and intercolored marl.

The Osterberg is ideally suited to Riesling, Gewurztraminer and to Tokay Pinot Gris.

Long renowned, the Osterberg is mentioned in documents dating from the Middle Ages, when the nobles of Ribeau-pierre owned vineyards on this slope.

A wine which ages particularly well, the Riesling develops a powerful body, an aroma of great finesse and the famous "old Riesling" taste. The Gewurztraminer and Tokay Pinot Gris are rich and powerful, with lots of elegance and finesse. They also will age extremely well.