Arthur Ostertag, winemaker at Domaine Ostertag in Epfig, works biodynamic Alsace parcels through fruit, stone, and time, patiently.
Arthur Ostertag separates each vineyard before he asks it to speak. As winemaker at Domaine Ostertag in Epfig, he works the Alsace estate parcel by parcel, using biodynamics as a method of attention rather than a house phrase. Arthur Ostertag began his work here in 2015, inside a family line that started with Irma and Adolphe Ostertag in 1966 and passed through André Ostertag before Arthur took the cellar on. The estate began with 2,000 square meters on Fronholz, steep ground that Adolphe chose when other growers had left such parcels aside. André, after oenology studies in Burgundy, gave the domaine much of its present discipline: hand harvests, controlled yields, long élevage, and a cellar language that allowed Alsace varieties to carry both fruit and site. Christine Colin, André’s wife, added another layer to the house through the labels, each cuvée carrying its own artwork rather than a repeated trade dress. Arthur’s own line is sensory and agricultural. He has described the turn toward biodynamics as a way of connecting humans, plants, and animals “in order to achieve balance.” At this bench, lineage is not nostalgia. It is the daily decision to read Fronholz, Muenchberg, and the surrounding hillsides as separate voices.
The domaine farms 15 hectares biodynamically and works only with estate fruit. Its program rests on three families: Vins de Fruit, Vins de Pierre, and Vins de Temps. Vins de Fruit are picked at normal ripeness, aged 6–9 months, and bottled in green glass with the variety named plainly. Vins de Pierre are picked later, fermented to dryness, and aged 11–18 months so that the vineyard takes the lead. Vins de Temps are left to weather and overripeness, sometimes Noble Rot, aged 9–12 months, and bottled in clear glass because color is part of the reading. The plantings are led by Riesling at 44%, followed by Gewürztraminer at 18%, Pinot Gris and Sylvaner at 13% each, Pinot Blanc and Pinot Noir at 5% each, and Muscat at 2%. In the cellar, the method stays close to the fruit. Pinots have been vinified in Burgundy barriques; some wines see old oak, as with the 2022 Pinot Blanc, aged nine months on lees in stainless steel and old oak barrels. Malolactic fermentations are not blocked. The hand remains present without pressing too hard.
The estate sits at the edge of Epfig, with cellar and farm buildings gathered close to vineyards on the surrounding slopes. It reads as a working domaine before it reads as a destination: quiet, agricultural, and shaped by the rhythm of the rows. The tasting room belongs to that same register, closer to a cellar conversation than a polished salon. Outside, the hills hold Riesling, Pinot Blanc, Pinot Gris, Pinot Noir, Gewürztraminer, Sylvaner, and Muscat in the Alsace AOC; inside, the labels bring Christine Colin’s hand into view, cuvée by cuvée. The place keeps art near the vats, not as decoration but as another way of naming difference.
The Revue du vin de France has awarded Domaine Ostertag 3 stars out of 3, and its wines are separated by origin and duration. Arthur continues to place the domaine’s future in the vineyard, with less force in the rows and more observation at each pass. The fixed point remains Riesling Grand Cru Muenchberg.
Epfig, Alsace, Frankreich
Epfig