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Alsace Wine Route

Steinklotz (Grand Cru, Marlenheim)

The northernmost of Alsace's 51 Grands Crus, on the limestone slope above Marlenheim — the vineyard the Groh family's wine-growing village is built around.
Updated 2026-06-04Sources mary-heritiage-alsace.md
Couple de paysans-Marlenheim-Musée archéologique de Strasbourg

Steinklotz is the northernmost of Alsace's 51 Grands Crus, rising on a south/southeast-facing limestone (Muschelkalk) slope 200–300 m above Marlenheim toward the Marlenberg chapel (source: mary-heritiage-alsace.md). The appellation covers 40.60 ha (though only ~4 ha are actually declared for Grand Cru production), with an encépagement of 44% Gewurztraminer, 29% Riesling, 27% Pinot Gris (source: mary-heritiage-alsace.md). Pinot Noir is grown too — Marlenheim was historically famed for its red "Roter Marlheimer" / Vorlauf — though Pinot Noir cannot carry the Grand Cru label. Steinklotz gained Grand Cru status by the décret du 17 décembre 1992 (source: mary-heritiage-alsace.md).

Steinklotz is the wine that defines Mary's ancestral village; the Groh and Wohlfrom families were part of the Catholic wine-growing/farming community here (source: mary-heritiage-alsace.md). See Groh / Wohlfromm Family of Marlenheim.

§ 01Key producers

Key producers

  • Domaine Mosbach — family winegrowers since 1577; ~23 ha including Grand Cru Steinklotz (source: mary-heritiage-alsace.md).
  • Domaine Fritsch (Romain & Jérémie Fritsch) — organic, 4th-generation village estate; AOC Alsace, Crémant, Grand Cru Steinklotz, and the Pinot Noir "Marlemer" (source: mary-heritiage-alsace.md).
  • Domaine Xavier Muller (~10 ha on the cru) and the larger Helfrich / Grands Chais de France operation (source: mary-heritiage-alsace.md).
§ 02Related pages

Related pages