La Cave de Ribeauvillé, the oldest winery co-op in France and one of the most award-winning producers of wines from Alsace, is known for its 265-hectare single-vineyard with eight Grand Crus lieux-dits!  The soils here run the gamut:  granite, sandstone, marl, limestone, etc.  The Cave has adopted organic practices throughout the vineyard holdings, of which 18 hectares are certified organic by European standards.