• Varieties: Riesling, Pinot Gris
• Terroir: From multiple parcels in Riquewihr (lieu-dits Engelsreben and Rosenbourg). Quaternary siliceous topsoil above deep marl.
• Viticulture: Organic (Ecocert), biodynamic (Demeter). 8,000 vines/ha.
• Vinification: Pressed with whole clusters, ambient yeast fermentation, aged 12 months on lees in foudres.